How to Install a Battery Kill Switch

Learn how to install a battery cut-off switch that kills the engine and all electrical power to-and-from the battery. I also show you how to crimp battery cables using a hand crimper, hammer crimper, and hydraulic crimper, so you will learn each method and how to get perfect crimps.
Extendable Ratchet Set: amzn.to/3JwrUPZ
Jig Saw: www.ryobitools.com/products/d...
Drill: www.ryobitools.com/products/d...
Impact Wrench: www.ryobitools.com/products/d...
Angle Grinder: www.ryobitools.com/products/d...
Heat Gun: www.ryobitools.com/products/d...
Kill Switch: amzn.to/3lXtE9n
Small Wire Crimper: amzn.to/3NJsMB5
Hammer Crimper: amzn.to/3wQssLn
Hand Crimper (and cable cutter): amzn.to/3lUElK5
Hydraulic Crimper: amzn.to/38Ngf13
Terminal End Kit: amzn.to/3Gp0iud
2 Gauge (7mm) Wire: amzn.to/3GpvCca
Hole Mount Zip Ties: amzn.to/3PNdq0s
Zip Tie Mounts: amzn.to/3t0H8oM
How to Install a Kill Switch: • How to Install a Hidde...
Parasitic Draw Test: • How to Test and Replac...
0:00 Intro
1:32 Tools and Products
5:40 Wiring Diagram
6:19 How a Kill Switch Works
11:20 How to Crimp Battery Cables
19:50 Easy Way to Add Split Wire Loom Tubing
20:29 Installing the Battery Cables
24:10 Organizing the Wiring
26:12 ECU Cut Off Wiring
31:54 Kill Switch Panel Fabrication
37:47 Panel Installation
39:20 Testing the Kill Switch
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Disclaimer:
Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not ChrisFix.

[@chrisfix]

If you are in the area, come out to the 24hrs of Lemons endurance race at NJ Motorsports Park June 11th, 2022 @ 7:00am EST - June 12th, 2022 @ 6:00pm EST | Millville, NJ: tickets.24hoursoflemons.com/event/new-jersey-motorsports-park-yokohama-real-hoopties-of-new-jersey-2022/special-chris-fix-fan-rate I have keychains for everyone and team t-shirts (first come first serve)

[@MrQuequito]

Too bad you are far away, id love to be at a lemons race, they look pretty fun!

[@mojeyvyoutube]

I am in Turkey :/

[@tin.1]

Unfortunately I’m in California..

[@pushinlimits2621]

This would have been great to know about 5 hours ago lol

[@KartKraz]

I’m in Australia sadly I can’t get to meet you

[@SpongeBalding]

I love how Chris' videos are almost an hour long, making them not that rushed and giving a lot more information at the same time

[@papishampoo04]

I completly agree.

[@BadMax02_VR]

i only realized after i finished the video that it was 40 min long, really didnt feel long at all with all the information and stuff really makes it a good watch

[@AriensRotokiller]

I didn’t even realize this video was 40 minutes long, I watched the whole thing and I was like, “Wait how has it been an hour??”

[@Rhaspun]

I find him to be the best at illustrating the work process needed to do repair work. Some people may criticize him for not being a professional mechanic but they can't really complain about the content that he presents. He obviously has researched on how to repair things and his teaching of what he knows is top notch.

[@kirara4953]

And the length isn't rambling or joking, just detailed, important information

[@pwc102]

I don’t have any interest in installing a kill switch in my car. With that said, I thoroughly enjoyed watching this video. Your attention to detail, professionalism, and explanations always make watching each video satisfying and a learning experience. Well done!

[@zylo7391]

I don't even have a car lmao

[@pwc102]

@@zylo7391 lol my point exactly!

[@nfschido]

The thing is, I dont think half the people watching the videos are planning on doing any of this, BUT we always learn a lot of stuff that we can apply on other projects/repairs.

[@meyersmichael975]

Yeah this channel turned from diy’s to following his racing adventure BORING

[@JamarrProds1]

SAME

[@hornet9211]

As an electrician (Sparky), I've had my fair share of rushed/bad crimps. I always hate accidentally cutting the copper wire. It is so annoying. I love watching you do electrical work. Reminds me of why I got into it

[@chrisfix]

Thanks a lot! Yea cutting too deep into the copper wires by accident is always so annoying. You try to be careful and you still cut a few strands haha

[@rylanhuntley6867]

@@chrisfix Stripping tiny and thin stranded wire such as Diesel Locomotive Cable I’ve found that when you cut all the way in the insulation you score strands no matter what then they bend and break. I’ve found the best way to not score the copper is to instead score the insulation and bend it until it the insulation breaks and slides off.

[@BakonPlayz]

As for someone who’s watched chrisfix for 6 years, with being signed out, the history of chrisfix is crazy. I remember when Chris got his mustang. really reliable and good at mechanics.

[@gotze1772]

Still the golden standard for making "how to" videos. Thank you Chris

[@chrisfix]

Thanks a lot!

[@MrCarlozan96]

@@chrisfix no, thank you for your dedication

[@FightForOldD.C]

@@chrisfix and you actually do stuff that most of your viewers can actually do and learn from. You do everything in your driveway and Try your best to use the most classic tools as possible Respect.

[@arcticfirst]

@@FightForOldD.C I sincerely hope you aren't the caught predator EDP445

[@FightForOldD.C]

@@arcticfirst LOL nah The videos of him on my channel are from his old Live streams. I just thought they were funny clips.

[@thebritishautochannel]

Brilliant video, I’m sure this knowledge will come in handy one day and not just sit in my brain never to be used again…

[@goncalorocha7258]

Better than equations

[@aayangoverski3437]

The why did u click on this video?

[@markt9263]

Chris’ video are A+ quality and he provides so much information. He knows the material, is neat, and organized. Plus, he seems to truly enjoy doing the videos and sounds so happy when the job is completed. Great job, Chris. Keep the video’s coming.

[@isaacaaron3489]

This is actually great for me. For context I’m a diesel mechanic In the marine corps, and all of our vehicles have these, and they’re wired pretty similarly. This goes in depth with how they work, so I can understand how to replace them!

[@chrisfix]

Awesome! Glad the video was helpful!

[@AgentOrange96]

Seeing the inside of the crimp is so cool! I've been doing automotive work my entire life and have a degree in electrical engineering. But I had absolutely no clue that a crimp like this compresses all the wires into a literal solid lump of copper! That makes me feel a lot more confident in how they work. That's crazy!

[@fraire711]

Yeah that’s what surprised me the most. I always thought the wires would just bunch up next to each other.

[@Leuel48Fan]

I still don't understand the physics of how that happens... there's no heat involved and they're still solid strands, how exactly do they "liquify" and melt into solid core from just compression?

[@marcup1584]

@@Leuel48Fan copper is really soft, when you apply that much pressure to it it's no different than pushing two pieces of clay into one.

[@fmifu4100]

Your comment is great but your name has me lmao

[@wbw1mi]

Thomas & Betts is your best friend!

[@cliffadams84]

Electrician here! Great job as always Chris but I have one critique. When crimping lugs it's best practice to crimp at the top of the lug not the base like you did. Starting at the base leaves to potential of a air gap between the top of the lug and the wire. This happens due the to stretching of the lug when you crimp it. Now I'm 100 percent certain you won't have any problems with the way you did it because it's such low voltage but just thought you should know. As always Great job and love your veidos.

[@chrisfix]

Thanks for the tip!

[@Neilledra]

​@@chrisfix To not have to pay attention to what Cliff says, you can buy terminals with a little hole in the front, as i do ^^ And you can find adhesive heat shrink, with a layer of glue inside of it, so it melt when you heat the shrink, ang glue it to the cable, so you dont have to use silicon, and avoid greasy fingers haha! Of course theses two tips cost you a little more money, but can save you some time if you have a lot of crimp to do!

[@bustanut3888]

@@chrisfix another piece of advice, you could always leave power on the ECM/PCM.. So that way your engine wouldn't have to relearn all the sensors the first 30 mins of driving. And in some states this will cause people who use this daily to fail vehicle inspection due to incomplete drive cycles.

[@potaatti]

@@Neilledra The lug also stretches during crimping, so you still have to crimp it starting from the top of the lug. If it is done the wrong way, the lug will not be able to stretch and it may crack.

[@thecomputerguy777]

@@bustanut3888 that’s what I was thinking. Kill the spark system and not the DME/ECU as it’s a BMW and the electrical systems in it are not a fan of sudden power cuts and comebacks. He’ll be on the track and having to spend a few laps relearning everything before his car will perform like it should as it’ll have to relearn shifting, and sensor/engine adaptations.

[@wolfgangtrack422]

Hey Chris I just wanted to let you know I absolutely love your breakdowns on repairs. I watched alot of your videos and they're great 👍 thank you for putting out quality stuff and keep up the good work.

[@aidenhader5613]

I remember when Chris made a lot of videos on the drift stang and remembering how my face lit up when I saw the notification. I still get happy when I see that notification

[@thequackenscoasterchannel2927]

I've been looking to find 40 minutes of time to sit down and watch this in its entirety. I finally did and I gotta say I was beyond impressed. The amount of detail you cover in this video is insane, I could only imagine the time it took to make this happen. As someone who works in the automotive industry, all of your videos have proven to be incredibly helpful and have given me confidence to move up and advance myself. It proves I can do anything with common hand tools and soapy wooder🙂 I appreciate all the work you do!

[@chrisfix]

Thanks a lot!

[@FusionRain8600]

Can't forget medium strenth threadlocker. 😅 He didn't use it in this Video though.

[@eastcoastmostwanted710]

Never underestimate medium threadlocker bless the genius who made it

[@rrek7]

You can hit the ellipses (3 dots on the video) and adjust the playback speed. If you can manage it in 2x speed it cuts the video time in half :)

[@istutiarora506]

I love your video’s chris fix you are a propheshnal youtuber

[@georgelaurentiu3106]

I always feel like I'm 5 y/o "helping" my dad repair his car when I watch your videos, Chris. The assuring and confident tone of your voice, combined with detailed explanations never fail to make me confident that I could do anything. Thank you!

[@chofyam3466]

Yup

[@dacodes24]

And I don't have to get beaten for not holding the light still!

[@napoleontheafromite]

Even though I don't plan on installing a kill switch in my car, watching your videos shows reinforces the idea of coming up with a plan whenever working on my car. If nothing else, the learning method of planning a project is invaluable.

[@digitalbreakthroughs]

I know I’ll never do this, but watched the entire video as usual. How does one so young know all this stuff? Thanks Chris!

[@simonfozzy8061]

DC electrician here and even I learned some things. Always a pleasure learning more from you to perfect the craft. Beautiful work Chris!

[@chrisfix]

Thanks a lot

[@Edelhif]

This video is so addictive, I don't even have a project car, but it was amazing to see this perfect work!

[@Marceline.]

lol same

[@chrisfix]

Thanks a lot!

[@dula1020]

Say no more.. Wanted to know how this works..

[@Datorturken]

Hey ChrisFix, and thanks for another splendid video. One quick note, the double sided tape tie strap brackets are nice and easy to install but the tape will eventually let go. I have learned that from my workplace. There are other similar brackets that have a additional hole in the middle for a fastener to permanently attatch the brackets. Cheers from Finland 😎

[@robertwinston2496]

Sweet video and great detail. Was planning to add a kill switch like this to my Cobra build. Awesome that you link all the products to make it easy for the rest of us!

[@Tj..smoove]

Thank you for making these “how to” videos. I recently got into cars with my dad 2 years ago. We started building our own, fixing it up just the way we wanted to spend time together. 9 months ago he passed away, never getting the chance to teach me everything about cars. These videos have helped me develop and learn more so I can live on and finish this build. Your making an impact on many peoples lives, thank you.

[@rownendeguara7078]

Sorry for your loss bro🙏

[@nicholasdalton2149]

Glad you could finish Ur build. Must mean a lot to you

[@MmmDaddyDom]

W son

[@nathanmcdowell7306]

Sorry for your loss man. What kinda car was it?

[@jasneeel]

🙏🙏

[@isomenter97]

Man this guy really knows how to make a subject interesting

[@chrisfix]

That’s what I like to hear!

[@martyletitbee1519]

Hi Chris thanks for your shows. I really enjoy watching. It's great to see how cars really work without the sharp in take of breath as the mechanic explains what's wrong. It's amazing how many people drive cars & have no idea how they really work myself included. Best of luck to you and tour channel!!!

[@rlsr4501]

I don't even have in mind to have a race car, but what the great time spent watching these videos. Thank yo very much Chris for all the information, the details, your time and dedication.

[@TheBlackBeltPanda]

Great video! Just a tip: You can get marine grade heat shrink which has a heat-activated adhesive lining on the inside so you don't need to apply the silicone. The adhesive also helps to add some strain relief. =)

[@chrisfix]

Thanks for the tip! That is a good idea!

[@TheBlackBeltPanda]

@@chrisfix NP, I only know because I had to relocate my battery to my trunk to make room for a new intake. XD

[@connermichel837]

Why I Love Chris’s Channel _____________________ •No BS •Straight to the Point • No Hold Up • Always Simplifies All That He Can

[@LatvianVideo]

And he dont oversimplify the things

[@isaacgomez3161]

For years I have watched your content and I’ve noticed that you never have made fun or be little anyone ! I came across a video of some guy trying to make fun of your tinting video and you were completely humble about it all , appreciate you and your brand !

[@kret63]

Yes, another great video, lots and lots of useful informations. I like the heat gun a lot and adding that silicone paste is another step to make simple job on another level. If only I had teachers in school that would give this many useful tips while enjoing their work so much. Thanks Chris!

[@maisamkhan7077]

I find it so satisfying when chris does a lot of work on a piece of wire shrink wrap, silicone, wire looms and then just tucks the wire away

[@chrisfix]

When wiring I try to do it the best way possible.

[@JamiesGarage1]

Great video! Heat shrink is always so satisfying 🤘

[@chrisfix]

Thanks Jamie! And yeah heating heat shrink is so rewarding

[@deepfried3224]

For a moment i thought chris was gonna say "HEY wheres my engine" , hahaha

[@novadevildog6496]

As a starting mechanic I swear I know everything about what I do by watching this man.

[@md.nayyarhassnainkhan4516]

You're the reason, I started DIY car repairs. Love your videos chris.

[@screamcheese2464]

Whenever I build my autocross car, this will definitely come in handy. Thank you for always making high quality videos, with information that goes in depth. I've been subscribed for at least 6 years and I've never been disappointed in anything you post

[@chrisfix]

That’s the goal! Glad the videos are helpful!

[@khat8994]

Not trying to be annoying but your acc was made in 2015?

[@yeet3748]

@@khat8994 So that's 7 years ago? Lol

[@lazar2175]

@@yeet3748 Holy smokes, it feels like 2015. was 2 years ago lol. Hell, we're half way through the 2022. and New Year was like last week. Time flies.

[@RandomNorwegianGuy.]

You are my guide for everything I do with my car. I always get good results thanks to you. You have saved me a ton of money and headache. You are truly the best teacher on KZbin

[@chrisfix]

That’s exactly why I make these videos so it’s great to hear!

[@timariaans1710]

I like the details! Exactly how I would do it myself, no half work. Awesome Chris as usual!

[@alexanderkennedy2969]

been watching chris fix videos for years. this guys amazing

[@chrisfix]

Thanks a lot Alexander!

[@cheo.5587]

Chris really is the King of How To's for Car mods, no one comes close to making these videos with the level of detail

[@denryaron6238]

Proper stuff. Only concern I saw here was with the relay "trigger wire". I have met relays that have had their contacts getting stuck together. Therefore, I would have run the switched wired through the killswitch to protect from a relay getting stuck in the "on" position.

[@sensiblewheels]

Very interesting!

[@milk-it]

That makes sense. Relays aren't perfect.

[@chrisfix]

Thanks a great point, although very rare, technically a relay can get stuck in the closed position and not shut off, even with the trigger wire cut off

[@excavatoree]

Always account for those things that "never happen," because they can cause a lot of trouble when they do.

[@meliodas4560]

100% agree with OP. Assume the relay will stick, and wire accordingly. Murphy's Law.

[@sirrahca]

Just here to say your commitment to providing practical details and educating your viewers is 100

[@dekkerlundquist5938]

Thank you Chris your videos are so clear and detailed, they are top notch. I always learn something - frequently several things!

[@ericwallace5275]

Chris, its 11:45 pm where I'm at...i need to sleep, not install this on my car at this time🤦‍♂️ love the work tho so keep it up🔥🔥

[@rzyao64]

Excited to see how the car turns out!

[@legoman8960]

I am as well

[@demxgod1551]

I really enjoyed the length of this video. It was really nice being able to sit back and learn honestly

[@TheTattedBandit]

Love how Chrisfix can make a 40 min video feel like 15 mins. This guy along with Donut Media are the goats of car oriented KZbin channels and that's a fact.

[@averin5193]

i've taken full electrical courses that didn't go as in depth or as clear into the process of crimping and how it's actually supposed to look.. good on ya, Chris, once again proving why you reign king of DIY

[@chrisfix]

Thanks a lot Noah!

[@D.c5-]

I’ve watched most of your videos, you’re always putting so much details into them. Today though, I just realized how much work must got into them; you turned a few hour job into an all day thing. i don’t need this type of kill switch but I’ve been thinking of putting a hidden one like the one you did a few years ago

[@chrisfix]

Make that an all 2-3 week thing haha, thanks! And you should!

[@MrDionstarrr]

Chris. The greatest KZbinr to ever live. Providing immeasurable value over the years. God bless you Chris.

[@bryce2113]

For the crimp heat shrink, use adhesive lined shrink tubing. It has adhesive inside that when heated and shrunk will fill the gaps and perform the same function as the silicone paste with the added benefit of waterproofing the connection.

[@eastcoastnick18]

I loved seeing the inside of a proper crimp. You’re the man! Thanks for taking the time to show us.

[@abrahamclarke8264]

Who else loves when Chris fix videos are 30+ minutes long

[@carobsessions4707]

Me 🔥❤️

[@mandel4889]

you have helped me and tons of other people with your amazing videos, Extreamly detailed and really easy to follow. Thanks alot for the work you do. if i could decide you would never stop :) have a great day.

[@DeliberateNRandom]

I happened to buy a wire crimper over a week ago. Every time I think I know what I'm doing, I learn something new from you. I need to wire up my bus and thinking about removing the wheelchair lift.

[@phatlards4536]

You know chris makes good videos when you watch a 40 minute video on a mod you’ll never have to do

[@LatvianVideo]

wait, this video was 40min? Didnt even notice

[@charleslonger]

This was EASILY one of best vids to date. THANK YOU for your continued dedication to thorough explanations, clear views, great editing, and total attention to detail! 👍👍

[@chrisfix]

Thanks Charles, I’m glad you enjoyed the video and it was helpful!

[@zragevii4705]

I absolutely love the time and effort put into showing how to do this properly. AND to include the stuff that sucks. wire management sucks, but it's important and you showed the easiest way to handle it.

[@chrisfix]

Thanks!

[@alonsocastellon9065]

as a fellow car enthusiast , its nice to see someone else's attention to detail. it really makes the project a day and night finish. another great video chris.

[@eliadbu]

This video is such a great tutorial and source of knowledge; so much detail is given in such a manner it is easy to understand and follow. Great work man! I couldn't believe those 40 minutes flew so fast.

[@operationsate1511]

Thanks to you I buy, repair and maintain my dream car :) Iam watching your videos from 2010, and you are just amazing ! The way you make videos, explain every little detail, show examples is just breath-taking :) Thanks for making cars great again and good luck on track :)

[@chrisfix]

That’s so awesome

[@Forzamon42069]

What is your dream car?

[@IDPVBTCIFTC]

I was watching the wiring part for so long that I forgot that I was even watching a battery kill switch install. lol

[@superasli2174]

even tho im not a car guy, don't own a car, and don't know anything about them. I still love to watch his videos because they are informative and satisfying to watch 😂

[@chrisfix]

I'm glad you still find the videos satisfying and informative! Thanks!

[@peterpham6288]

I was actually amazed when you cut inside the crimp... I never knew it looked like that, a solid piece of metal!

[@stephenmoore1541]

Chris, my mom is a CLEAN FREAK and for good reason. I sent her all your super clean videos and she LOVED them. That weekend she was out blasting her floor mats with my dad's power drill just like you showed all of us 😂 You rock! Good luck at Lemons, wish I could come but Colorado is a little far.

[@panuvasungsopapong2891]

You are an excellent mechanic both in theory and in practice. I really like it. Thank you for a great presentation with clear pronunciation and technical terminology used. I will follow you forever.

[@djlykaen]

really helps seeing the details in crimping, used to have to make power cables for industrial electronics but with an IT background, never thought of the copper continuity for power like that

[@Kugelbliz]

Thanks Chris I need this for my tractor 🚜

[@linkroblox9474]

Same

[@ncc74656m]

You can also use a heatshrink that shrinks more than standard, which is typically 2:1. There is 3:1 and 4:1 as well. It's good for fixing those oopsies where you forgot a connector, or practicality makes it difficult to use standard heatshrink. I also recommend using a glue filled heatshrink on any connection that risks exposure to weather. Another note - buy quality connectors/terminals from reputable sellers. Lots of cheap ones these days are just copper coated aluminum which lack the ability to carry the rated power.

[@chrisfix]

Thanks for the tips!

[@waxbly]

As someone who’s just got into the project car scene , the trick to put sheathing on with a wrench blew my mind.

[@chrisfix]

Makes it so much easier!

[@andrijamitic3434]

I love the honesty in these videos, for example, you said you ALWAYS forget to add heat shrink before you add the terminal, and you prove yourself by forgetting the heat shrink before the terminal connector the next chance you got. All jokes aside, great video as always, thank you

[@jasoncown]

Video production quality is so good these days man, you've completely made it.

[@chrisfix]

Thanks a lot! Takes a lot of time and the file size is huge but it’s worth it!

[@GunToYoMouth]

I don't have a car. But I watched every second of this. Great tutorial to whoever needed this and professional af. Went into detail and made it so easy.

[@NDDJayasinghe]

same

[@thetiagomatos]

Hey man, I know I'm just another dude here giving you a thumbs up, but after all these years watching you, I still get amazed with your attention to detail and professionalism. Very damn well done, can't wait to see the final status of this one! Brofists from Portugal! heheh

[@LiloUkulele]

Wow...what a excellent, THOROUGH, educational video...better installation than 99% of the shops...never realized this job was so complicated!!

[@whatchacookin1096]

Nice work. Didn't know about the compression of wire strands when crimping, great info.

[@chrisfix]

Glad you learned something new!

[@rallybrown7343]

You think you could do a video on how to install a NOS kit? I know its probably impractical for you to install on one of your cars but it would definitely be a sick vid. love your videos man ✌🏼

[@williamschounilsson2924]

These "how to" videos doesn´t have mush pratical use for me at the time being yet they are so enjoyable to watch and it´s just nice to learn new stuff

[@stanbinary]

Solid job Chris - love your meticulous approach!!! One small point to improve - that plate top-left corner might rub against the roll-cage tube from vibrations and be noisy. Either snug a felt pad or further 4-5mm trim might do it

[@chrisfix]

Thanks for the tip! I haven’t had it make any noise at all but if it does I will definitely add some felt!

[@larrybe2900]

@@chrisfix Different metals should have some sort of barrier. (galvanic corrosion) In this instance it may be as much a problem as the noise.

[@mcglsr237]

Some heatshrink tubing comes with an adhesive already pre-installed on the inside. When you put it on, and then heat it up, it will melt the adhesive - and then dry when cooled, creating a waterproof seal. You can skip the silicon for these types of heatshrinks, making the job a little faster and easier :)

[@Sandro-ss1st]

WOW, I'm speechless! I cannot imagine the amount of time and energy you put on planning and making these videos. Well done Chris, well done!

[@dillanthomas-seiler9067]

Love the work Chris, been watching for nearly 6 years and still impressed with what you do buddy

[@chrisfix]

Thanks for the ongoing support!

[@Scp_Guard5561]

Stopped random people from stealing my lamborghini

[@BLTGames-sv3nd]

U don’t have

[@TD7569]

Are you kidding

[@mannys9130]

My biggest concern with this being used on a regular basis, like a DD with a parasitic draw, is the constant erasure of ECU's volatile memory. It'll need to run a monitor test and relearn everything for every system, every single time. It won't know what the last state of all the systems were, and any code that isn't a 1 trip code will never ever get to request a CEL. It will be risky with each power cycle. My mother's 2008 Dodge Dakota had the ECU totally die when the battery got weak and was removed for replacement. We disconnected the battery, put the new one in, reconnected it, and the engine immediately ran horribly. It was running ridiculously rich to the point that the cat was overheating and smelled like rotten eggs. I shut it right off at that point and said "Wow this is incredible. Power cycled and now it's completely lost fuel trimming capability and it's torching the cat. Fantastic. Classic Dodge electrical problems." It was literally running fine when parked, swapped the battery, and it ran terribly at first start 10 minutes later. Troubleshooting pointed to the ECU and a new one fixed the issue so that was beyond a doubt the issue. You run the risk of a problem like this when power cycling components meant to be powered on 24/7. The ECU dislikes having to relearn data. So, I'd suggest only doing something like this for the racecar and/or a winter and summer DD that sits for a long period of time on the off season. You can disconnect the battery and connect the trickle maintainer onto the posts directly. Easy. 👍

[@Stylemaster911]

Interesting. I've used plenty of military vehs, including with complex ECUs (Mercedes G Wagon GD270CDI) for example, which have a battery master. Besides the clock never working, I have never seen that be an issue. Would there be some kind of solution for vehicles with this feature from the factory to prevent ECU issues?

[@PlasmoX]

I don't know anything about cars, and have zero interest in working on cars, but i find his videos fascinating, and extremely binge-able

[@antonpersson8304]

Chris is the dude i can watch to just disconect from all my problems and just be happy seeing a video about things i like, cars. So thanks chris, thank you alot.

[@aykutergin9302]

The most meticulous work I've ever seen in my life. everything was in its place and it was even better than fabricated production. I'm amazed. Congratulations, I enjoyed watching this video.

[@chrisfix]

Thank you!

[@lathropedition]

You should be using actual battery heat shrink, which has adhesive that melts and seals the system. It also provides a strain relief.

[@chrisfix]

Thanks for the tip!

[@lontanoshoes2150]

Hi Chris, let me tell you. I love your videos because you explain very well putting common sense and special attention to details. Congratulations

[@rocheben8107]

I’m def subscribing, the amount of money this guy must go through just to show everyone how it’s done is amazing. Wanna show some support. Finally…someone who does things properly the whole time and is super easy to understand.

[@chrisfix]

Thanks a lot!!!

[@BreckenDarby]

I just bought my first truck, it’s a 78 datsun 620 but it has major rust issues do you have any big tips on restoration or replacement?

[@ItsZel]

Chris has a video or two regarding fixing rust holes, rusty panels and such. You might want to check those out too ^^

[@nicholascox7947]

He did it on a honda del sol however its basically the same for any floor panel and such

[@tylerglidden775]

Linex it but gdt the first coats professionally done

[@darkru8913]

check the frame for rust, if there are major damage ( large holes etc.) then it is unsafe for driving . You hopefully already checked this prior to purchase but wanted to let you know just in case,

[@chrisfix]

Here you go: kzbin.info/www/bejne/eWGwZqeLhriUptU

[@matthewblake9917]

Great video as always I've learned a ton of fixes and generic info from your vids over the years. The only thing in this one for me is the file. When you use it you should only use forward strokes, lifting off as you come back to start the next stroke. Your file cuts cleaner and lasts longer and will probably clean up the edges faster.

[@chrisfix]

Thanks for the tip but that’s actually a myth that was disproven recently (at least the file wearing down). They tested it out and there is no significant difference between lifting and scraping on the back stroke. I use to think the same thing! You can search for the video of the test on KZbin.

[@matthewblake9917]

Thanks I'll look into that.

[@lloydpang4431]

ChrisFix's how to video's that I always watch is always making my Mr2 sw20 popping up the headlights making it super happy

[@antiwokehuman]

Damn. I didn't even notice it was 40 mins long. This is literally the gold standard for this sort of long informative content

[@Vault57]

You can also 20:38 use small colored zip ties spaced every 12 inches or so as an indicator. They come in about 8 - 10 different colors. Bundling wires for like you are, you could put yellow ties on the alternator side of the switch and red ties on the battery side. That way at a glance you know which red cable is runs where.

[@CrazyPlayer-pf2hv]

4:30 Its common practice to prefer to switch the positive terminal over the negative. Also in working with electricity that is the case, you always want to switch the "hot" cable

[@jamesyoung151]

I'm glad you organized the wiring. I used to install car audio and remote car starters. Wire management is very important.

[@thatoneguy7284]

Been wanting a kill switch in my truck for years but was too nervous to install myself glad I saw this video for years you've been my go to guy on diy mechanics and you haven't failed me yet 🤙🤙

[@802Garage]

Nice work as always, Chris!

[@chrisfix]

Thanks a lot bud!

[@AlanGarcia-tl7gq]

Chris with the upload🔥 Your videos have helped me diagnose all the issues with my 300ZX Z32 and I just wanted to thank you for making these🙏

[@chrisfix]

That’s awesome

[@528Circle]

The crimping demo was worth the price of admission! Great video!

[@Allen-by6ci]

That crimping explanation and examples was excellent, Chris