1965-1966 Mustang Install | Painless Performance Complete Chassis Wiring Harness | Project Betty

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Bill shows you how to install a Painless Performance Complete Chassis Wiring Harness fitting your 1965-1966 Mustang.
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This 22 circuit harness is a direct fit for all 1965-1966 Mustangs and has many of the factory connectors already installed on the harness right out of the box.
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[@oli_box9125]

man... content like this is crucial to keeping the car scene alive in a digital era, regardless of what car niche it's focused on cheers boys

[@cjponyparts]

agreed

[@coug741]

I did the same harness on my 66, took me about a month with my busy schedule and by myself. I had never done wiring before but this kit made it easy, just take your time with it.

[@cjponyparts]

Exactly no point in rushing wiring.

[@cryptosully2357]

would it make it easier to do custom dash and lighting or should I build my own??

[@AMScotty]

Thank you. I plan on doing this to my 66 as well once I get to that point. Did you do it with the engine already installed or without?

[@coug741]

@@AMScotty yes the engine was installed

[@whoisthis4130]

I want to do this to my 65 and haven’t done much at all with wiring. Your comment makes me feel a lot better about planning this project!

[@torreerrot]

I been following this series and I was freaking out when he said "In our last video we pulled out the engine and tranny" I was like WHAAATT!!! NO YOU DID NOT hahahaha Also YES!!!! PAINLESS!!!! Finally the video is here

[@cjponyparts]

Yes we went slightly out of order to move up the wiring harness video :)

[@torreerrot]

@@cjponyparts OH trust me. I am more than happy that you guys did :) I will be following this video close when installing mine on the 66 I Have.

[@MichaelHart-un2ho]

I performed this project in 2018. I am a total novice and after watching this video, I can see that I did quite a few things the hard way. The customer support at Painless is world class but this video would have been an enormous help. Nonetheless, this was a very worthwhile project and, as a rookie when it comes to this stuff, I really learned a lot about my '66. I recommend it.

[@2460speedy]

Probably the best video so far. One thing I would have used is insulation to keep wires together, and heat shrink on the terminals. Just me..

[@eddievantailn2882]

Bill is having a good time doing this installation.

[@johncariniCRM]

For the rear - I would have attached the new harness to the old one using tape and fished it to the back when pulling out the old one.

[@marissasimos]

Genius. I was contemplating how I would put my harness in the factory location, now I know how I'll accomplish that.

[@DodgerBluetC]

Badass!!!! Thank you CJ Pony parts This gives me the confidence to buy a buy a project that needs wiring. Buy cheap, make better and enjoy. 🙏🏼

[@cjponyparts]

Glad I could help

[@johnpkass5559]

Kudos to your team, think this should help my son with wiring his 66. thanks guys.

[@braniganblue3460]

This is nice. I'd love to do this transition, but at nearly a $1000 I'm going to have to put that on hold and tackle some of the more pressing issues on my '66. Maybe one day.

[@eddievantailn2882]

I've replaced all wiring harnesses in my 68 Mustang (nine total), it's worth the effort.

[@phoenixon1930]

Thank you for this! I am currently in the middle of this job!

[@al-AL-al-AL-al]

I'm in the process of installing the painless wire harness for my 69 coupe (Part #20122 Direct Fit Mustang Chassis), and it has been a slow process given that it's my first time ever doing anything like this. The manual is very helpful though, and the kit comes with everything you'll need. Just take your time with it, save the old pigtails, save the turn signal wiring connector, and consider buying the Painless PowerBraid Kit.

[@killerb3609]

I’m doing this right now with my grandpa. Been hacking at it on weekends for about a year and almost done, just having trouble with a 3g alternator conversion and horn issues

[@kikoramirez6803]

thank you i have a 65 el camino the wire job is almost the same again thanks this will help me do the job.

[@humster21]

Great Job guys.

[@cjponyparts]

Thank you very much

[@kepaloha]

AWESOME!!!!!!

[@billcapetanos6825]

Nice Save the Ocean Seiko Turtle

[@Tennysonism]

I think it’s a save the ocean samurai

[@Kakydanou]

Very good content! That's my next project for my 1963 Falcon. Bill, no "you'll be back on the road in no time" on this show???😉

[@brandonloveday]

Excellent. I am at the stage of my build where it is time to select a harness. I was looking at the Painless and the American Auto both look like they are nice additions but after watching this install, I have made my mind up. Painless. I do have a question though. Do you recommend adding the under dash ac before running the wiring?

[@danemoll4065]

I never heard you cuss! Nice work!

[@cjponyparts]

We edit that out! 🤣

[@trentdrake5397]

great job !!!!

[@shawnmccarthy7489]

This is great!! Of course I know I'll be doing a lot of swearing while I'm doing this but excited to try! Oh di new bulbs come with it??

[@justinaltemueller3522]

Wow. I brought I get from cj pony parts. 4 years ago. Was the only. One available was universal ford harness was. A pain this one look alot. Easier when I installed. The one a brought. Took me over. A month too figure it out and still had to. Buy wiper harness that looks like comes with this kit. Still haven't. Got defrost and heater wiring too figure out

[@cjponyparts]

It amazing how things change in time

[@seanmolloy9422]

what's your best guess on man hours for this installation?

[@marcsteuer]

I noticed, that you didn’t mention extra wires, for a convertible top. Are they separate?

[@pieterfranke]

Please do video on those wheels, I want to know more about them. E.g. Do those fit on my ‘68?

[@cjponyparts]

kzbin.info/www/bejne/Y3vbfWuYnZuJrrs

[@pieterfranke]

@@cjponyparts many thanks

[@BigKuda1776]

Will this kit work if going to a one wire alternator? Just don’t use the voltage regulator wires? Also why wouldn’t this work on a 64-1/2?

[@thallowell09]

I've got courtesy lights in the door that I didn't see mentioned. Does the harness have connections for those as well?

[@randyhixson6227]

can you post a picture of the fuse panel ledgen, i have a project and it looks like the same kit , the owner before me already had kit installed and didnt save the paper work. thanks

[@XCRiders]

Blue butt connectors? how can I rest assured those are going to be reliable connection over the years?

[@boondawgle]

I just purchased the kit and am pulling the wiring out at this time. The video does not say anything about the wiring going into the steering column. Is that in the kit? I assumed everything but since you did not show the steering wheel coming off I am wondering if I also need to buy that smaller harness and maybe you detached from below somehow. My wires are all wrapped in tape so I don't see a way to disconnect the wires before they enter the column yet. Anyone's response is appreciated.

[@mrsaiyanaa]

I am interested in updating my 65 Mustang, however the problem I see with this harness is the afterthought of cutting and using some of your original plugs. Is this correct? Did I miss something? Seems most of our old wiring would be fine as long as the insulation is supple enough and doesn't crack in your hand. I've had that happen and have replaced a harness because of it. The updated fuse box is the hook with this harness. However, our problems often originate at the plugs. Why wouldn't you guys sell the harness with all new plugs? It is asinine to me that you would have us add a point of failure by using connectors to attach old plugs.

[@marknelson1712]

You sell 2 painless wiring harness. I wish you would have recommended the mustang harness with plugs. The other one is a pain in the a_s to put in. You should do a video on it. The instructions are a nightmare.

[@dantehooks1603]

I don't get power to my ignition and it's driving me crazy lol

[@okhotrodder]

I've installed several complete wiring harnesses from painless and other suppliers. None are painless. They are all a pain in the butt because no vehicle is exactly the way the harness is setup for. Some wires are way too short, others are way too long. And I find that the wiring gauge size is just too small to handle the power draw in most projects. It takes days if not weeks to rewire a vehicle.

[@Mrdjs1133]

I'm putting one in rn, but it's a lot harder with the engine in the way In and around the engine bay, there are little plastic clips to hold down the harness. Does this kit come with replacements for those that you'd recommend, or is there a different brand that sells those separately? Or just take a trip to O'Reilly's?

[@christopherhayes3742]

How many hours would you say did it take to pull out the old, and install the one new one?

[@BigKuda1776]

Please help. Got this all installed and now the motor cranks in the on position. I have the red/blue wire in the s and the brown on the i terminal of the starter solenoid and am puzzled any help would be great

[@valtterisalovaara1340]

Does this Harness come with the wire for the gear selector light? Cruise O Matic 3 speed auto.

[@matthewschug939]

Is this the same harness for a 66 Ranchero?

[@6cobrasnake9]

Great work but, you forgot to put on a wire loom protector to the wires going to the front and wires going towards the rear of the car.

[@6cobrasnake9]

Wiring a car is most likely the hardest part to work on. Around 95% of the time a car fire is caused by faulty wiring. Mechanics won’t even go there. It is much easier to wire up your house then for you to wire your car.

[@BigKuda1776]

If using this harness and going to a one wire alternator do I still need to use the voltage regulator and capacitor?

[@EMOxxSLAYERx]

no

[@brianstephens8000]

Push button ignition please

[@BB-oq4gq]

Informative, but the tools and techniques are really disappointing. If you installed a harness the way the gents did, you'd have endless electrical problems. First, the wire crimpers. Buy some quality ratcheting crimpers that do more than squish the connector from the top. Second, use shrink tubing on all connections. Adhesive-lined is best. Third, NEVER run unsheathed wires through metal holes. Always use powerbraid or equivalent. For best results, remove the plastic shrouds on butt connectors and terminals, crimp, solder, and shrink tube. The wiring system is pricey and it takes a lot of time, so do it right. The job done here would look amateur and be a real turn-off at a car show, auction, or -- most important -- 800 miles down the road.

[@oli_box9125]

also... LED headlights plz n thx

[@cjponyparts]

there will be

[@rexhepnikqi3946]

what about paint restoring . you do not fit wiring before you finish painting!

[@jameshows5419]

Hey CJ Pony parts , I’m still waiting on a call back from last Thursday on a part I’m wanting to purchase. Your automated system just plain sucks . Everyone is sick and tired of hearing about Covid causing delays. It’s just a lame excuse . Do all Mustang owners a favor , answer the Damn Phone and make some money buy making sales and keeping your customers happy . J

[@jameshows5419]

Thanks to whoever liked my post . I’m sure you must have experienced the same thing . Do all of us a favor and comment on one of CJ Pony Parts videos about the same complaint as I . If it goes viral maybe just maybe CJ Pony’s will give us back the great customer service we used to get . Thanks again for the like . J

[@sergiomurillo9930]

@@jameshows5419 I usually don’t call them but when I did it was such ridiculous wait times. Fortunately, my questions were short and quick. They should get the chat feature back on their website too

[@gnartarded]

@@jameshows5419 Dude for real, this THESE GUYS and this video make me wanna throw all my classic mustang money at CJ pony parts but the customer service is cattywampus AF

[@chrisgierke4097]

Almost every connection is spade and butt connectors? This looks like garbage. That was what, 7 spade connectors on the wiper switch alone! Include the correct terminals and connector bodies. Then it could actually appear as a production wiring harness instead of uncle Chuck decided to wire your car after a case of High Life

[@GrandStang]

So.... where’s the engine and trans removal video? Lol

[@cjponyparts]

We went slightly out of order since we knew people wanted to see the wiring :)

[@jayw.watson8401]

This place is so hard to get parts from people can’t answer your questions if you’re going to sale parts the prison should be able to answer oh well.