[DIY] How to add shock sensor to factory stock alarm

Parts used to add shock sensor to factory alarm to my 2013 Honda Accord. I will be adding this to my Honda Fit and Civic as well.
Directed Electronics 504D Double Guard Stinger Shock Sensor: amzn.to/3DrZ3Yi or ebay.to/3iLPyeL
Add A Fuse Low Profile X2: amzn.to/2DgV55G
Relay: amzn.to/2BGXSoo
T-Tap: amzn.to/2DgzJWj or goo.gl/S3SGTW
Terminal Ring: amzn.to/2DhsddJ or goo.gl/fjsDCg
18 awg black wire: amzn.to/2DjqnJs
Terminal Crimping tool:
Product Link: amzn.to/2bGiODx
Review: • Product Review and Dem...
Wire Stripper: amzn.to/2Dkcv1z or this: amzn.to/2DkigfJ
Craftsman Multimeter: amzn.to/2CaRJCd
In this video, I'll show you how I added a shock sensor to my factory oem stock alarm system. The factory alarm system only when the door, trunk or hood is open while the car is still armed. It does not go off when the glass is broken or if the car gets hit or when someone tries to steal your wheel. By adding a DEI shock sensor, anytime the sensor picks up a shock, it will trigger the factory car alarm. You still use the OEM remote and it cost much less than adding a aftermarket alarm.
This method is pretty much for all vehicles. The trigger wire can be either the hood switch wire or the door switch wire. A relay is used so that the shock sensor is off while the car is on and only activated when the car is off. The alarm will not go off until all doors, hood and trunk is closed.
I would recommend also adding a wheel lock to your wheels and adjust the shock sensitivity accordingly. When a thief tries to steal your wheels, the shock from them removing the lugs or wheels should trigger the alarm.
Factory alarm to stock alarm.
I can be reached via:
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Mailing Address:
DIYCarModz
9051 Mira Mesa Blvd Unit262321
San Diego, CA 92196
#caralarm #shocksensor #wheeltheft

[@brandonblack2095]

genius man i was about to change my factory alarm to aftermarket ones but after watching this i'll just keep the stock and do this instead you deserve more subs man

[@DIYCarModz]

This is a cheap and inexpensive way to add additional security to the vehicle. Of course there are other benefits of adding an aftermarket system but it does cost more.

[@funkeiyanda2024]

@@DIYCarModz where can i get the shock sensor please and how much is it?

[@BLS36]

ohh this is awesome. we can add tilt and shock sensors to factory alarms like this

[@ipman5594]

Thank you Jeff for taking my inquiry. I am pretty sure you like this add-on.

[@ipman5594]

The relay you used, is it the same on amazon? According to that picture 85 is black/ground but to your schematic ground is 86..I am confused!!

[@electromech7335]

Thanks for the diagram. That helps a lot. Sensor is always powered when ignition is off 30 to 87a. When a shock happens it grounds blue wire that triggers the alarm. That looks to alarm box like a door or hood opening. Ignition on relay powers on 85 to 86 coil pins, breaking power to sensor because now voltage is between 30 and 87a this is not hooked up to anything.

[@Erickscomp]

Yes the diagram helps a lot!! But the question is why is the ground ( black) to 86, and not 85...

[@chestergorriceta8732]

Thank you !! It took awhile for my 2019 TRD Pro to find the right wiring diagram but I used your wiring diagram for the sensor and the relay. I finally made it to work! Thank you!

[@funkeiyanda2024]

where can i get the shock sensor please?

[@gopannair1229]

Hello! I am planning to add this module to my 2016 TRDP. Can you point me to the door trigger wire please? Location and color would help.

[@davidgaleano6783]

Can you do a video of how to install this on a 10 gen Honda Civic.

[@tommymadux3646]

Seriously?? Need him to install it too? If you cant figure your own car maybe you shouldn’t be installing one

[@domeezy]

Ive been searching for this for MONTHS! Thanx @DIY: Car Modz

[@itzreece2495]

Genius Bro, best mod yet. I need that key fob cover too lol

[@ahmedpichardo2231]

Thank you!!!!! It worked for my 2013 civic, took me a little while to figure out but once you start to put things together and test it worked!!! Again thank youuuuuuu!!!!!

[@dhflannagan1]

Very good tutorial dude! Also thanks for the hand drawn wire diagram. You rock.

[@GeovannieLive]

Thank you for this i just share this on a 10th Gen Civic group

[@DIYCarModz]

Thank You for sharing. I really appreciate it.

[@bEar02x]

Hi guys, first thank u for your video, second of all, Geovannie have u installed this on ur 10th gen civic?, if so can u share some info?. to DIY: Car Modz if it has remote start my 10th gen civic should something different, what would you recomend me to do?, thanks in advance.

[@nghiadinh94]

This is wonderful, however, to make the circuit agree more with the spec of relay, I suggest using (85) as ground and (86) as ignition switch deactivation of the sensor. Best video I found on this hack, thank again!

[@ken9221]

why would this be more agreeable

[@redonevia8642]

This was very helpful. For the 2017 WRX, the door sensor wire is blue and white near the left foot well cover. You can follow the main harness on the driver side to the footwell. There’s 2 identical wires. You’ll have to test which wire is tied to the door sensor. I tapped into the fog light fuse for 12v constant and for the 12v ignition, I tapped into the cigarette lighter fuse.

[@DeezyDev]

im doing htis on my 2019 outback. ima need to see if its the same. thanks for this comment ive been looking for a week now

[@masterreach97]

This is what I need so I don’t have to worry about people hitting my car anymore lol

[@yashpatel1431]

@@JayaByte Some people truly are animals.

[@ipman5594]

Jeff, I forgot to tell you that you don't really need to tap the brown wire all the way up in that slot. Just trace that wire from the door switch behind the fuse diagram cover...thats how I did mine!!

[@alexk6745]

This is great the downside is that it kind of boolean function, it either in signaled state or not signaled state. Does it have some intermediate state? I'm looking something very similar with few more sensors. I need some proximity sensor and some very sensitive sensor which detects just a touch to a car. I think this can be done with capacitive sensor. The other thing which I would like is to have the middle or intermediate state in which this thing just beeps 3 times if some one is approaching very close(0.7m) or touched the car. If somebody is not going away and still close to a car it should start beeping more often or louder. That thing should have a wire to be connected to the stock alarm to make the intermediate noise before activating the stock alarm. My task is to protect camping gear on the roof of my 4WD. The hit you did to a glass very unlikely to happen when people will try to steal something. They most likely will try do do their job without hitting.

[@justbrowsing5256]

Would I need the same part/install process for my 9th gen Accord? I was about to buy a WHOLE new alarm AND sensor. Happy subscriber right here!!

[@DIYCarModz]

Yes, I have it installed on my 9thgenaccord.

[@funkeiyanda2024]

@@DIYCarModz what type of shock sensor should i buy?

[@jerrydinoballs]

Seems really great but having zero car electrical experience it's too difficult for me.

[@billybassman21]

Is this going to pulse the door if someone is inside the car with the ignition off causes vibration? I can see the dome light flashing every time someone moves because the sock sensor is on when the ignition is off.

[@ahyungrocks5509]

Been wanting to do this for a while especially with all those cat converter thefts these days.

[@dapbubba]

Very cool video and appreciate that you provided. Just a quick question...assumed you used a relay with the ignition wire to only allow the sensor to be active when ignition is off (car parked), otherwise sensor would be triggering off and on while driving, etc. Please confirm. Thanks

[@kn520]

Thanks for the video, this does work well, however this sensor does have a lifespan, mine gave up in around 2-3 years of everyday use. Will be trying another brand soon.

[@xhenryrx]

Will this activate the alarm if I remote start my car, or will the relay deactivate the shock sensor? Thanks in advance

[@bobn27613]

thank you for taking the time to respond; now to find the right wire

[@pshin1977]

Have you figured this out? I have been pulling my hair out trying to find the right color.

[@alexmayor4980]

Hi is the blue trigger wire output positive or negative?

[@alexwalter3563]

I dont wanna be that guy but with your add a fuse if the bottom pin is hot having the wire go down also it is not protected by the fuse the factory fuse is still protected but the add on putting it like that is the same as just wiring it straight to the wire without a fuse. Just thought i should let you know so you dont short out your whole car.

[@kingfisher774]

But add on wire itself has a fuse so how the whole car will get short?

[@xraybravo7180]

How does a double shock sensor works and how it is wired since it triggers two different way low sensitivity and high sesnecvity for high panic alarm

[@miaomiao2454]

Greatly needed if you live in CA

[@juliuspedrozo5791]

Thanks for the help Jeff! You're the man!

[@DJay_Gully]

Hey I appreciate the video. Im doing mine on a 2019 Toyota Camry. The line is hard to get to. Can I instead tap into the Front left door fuse instead?

[@roybm3124]

Do you get door open signal when you step in the car when the door is closed before you have the key in ignition?

[@efra12011979]

Roy BM I'm getting that while I'm driving

[@roybm3124]

cervefra ok that is strange i thought the 12v switched would stop the door open signal.

[@DIYCarModz]

@jay chino i only had to buy the shock sensor. I already had all other parts.

[@gene2200]

I have a hood switch for alarm on F150, could I not add a shock sensor using a diode on ground so it only goes to switch ? Think I'm stating that right, it's early, Isolating ground while car is on, or just use a toggle switch

[@vi3tl23n3gad3]

Does anyone know how long the stock alarm will go off for? I tested and it was over a minute then my neighbor came out to complain so I had to cut my test short. I don't want this going off all night if i'm not home.

[@eddiequinones72]

I ust added it to my 2008 Civic Si and it works well. someone mentioned that I should add a in4003 Diode to the coil on the relay to make sure it doesn't back feed during switching. What your opinion? let me know. It was great that youi made this video. I had recently purchased a Megatronix add on and it didn't work. Nice video. Thanks a million. EQ

[@brandonr.7154]

What wires did you tap into? Trying to do this to my 8th gen as well but with a motion sensor instead. Did you use the diode? How is it holding up now? Thanks in advance

[@Phantomi7]

Hi, I bought all the items needed. How would I know if my vehicle has a negative wire trigger?. mine is hyundai elantra AD

[@vladimirbovcus3855]

My alarm never goes off, only door light at bottom turn on. Dont know what doing... Found my constant, ignition, door signal wire... Not enough power?

[@xraybravo7180]

How to to know if is compatability with chevy vans or find these fuses location or the door wire on your car ?

[@joeysanders2642]

You have the best tutorials! Very detailed and well presented.

[@desmondthang6759]

Amazing hack. I want to add this shock sensor for my 2014 Prius and 2017 Prius prime. Heard I can use the dome light as trigger. Can u show The wiring sketch? Thanks

[@xraybravo7180]

Why do you need ignition power for sensor . Or the sensor uses ignition for what ? .

[@s88hon]

Sorry I'm late to the party but what exactly did you do the "green" wire? you looped it, but to where? Thanks

[@ojuice1118]

Great write up.. go fund jeff for his time and efforts!!! Hehe happy new year and this can save your wheels..

[@DIYCarModz]

Yup, with wheel locks and shock sensor addon, it is possible that the alarm will go off when they try to remove the lugs or wheel.

[@juand7306]

Worked like a charm on 06 Lexus is250. Thanks. Subscribed.

[@johnnyla8648]

Did you run into any issues with the shock sensor triggering the door switch? I get the light to flash but no alarm triggers...

[@juand7306]

@@johnnyla8648 well it worked fine for about a week then i noticed my battery died, and had to get it replaced. Then after that i upgraded to the Directed 504K which already has a on/off switch and you don't need a relay. And has been working perfect. As far as the wiring, i just tapped the passanger side front door, just below the seatbelt and ran the wire towards the bottom of the passanger side of the dashboard. The sensivity of the sensor i have it all the way up, and when i lock the car with the keyfob after 30 seconds it does trigger the alarm when i kick the tires or medium impacts. Before the 30 seconds i just had the door light turn on without the alarm going off.

[@johnnyla8648]

@Juan De La Rosa thanks for that info. I might just get the 504K just so I don’t have to deal with the hassle of figuring out what went wrong. Hopefully that will fix the issue.

[@johnnyla8648]

@@juand7306 How did you wire them up? I got the 504K kit and did the wiring, but it would not trigger the alarm. I get a drop in voltage when I tap the sensor but it doesn't go to 0. Any advice would be much appreciated.

[@juand7306]

@@johnnyla8648 Well i didn't use the green wire, the blue wire was connected to passanger side front door sensor, the ignition wire i connected it to the fuse box 7.5A Gauge with an add a fuse, and the power wire also to the fuse box but to 20A RR door rh, and the ground i just connected it to the side of the dashboard to a bolt. I have other accessories connected so i had to use those fuses.

[@user-ku1uc5gg1u]

Great video! I'm installing this into a Ram 1500, but I'm unsure how to ID the "Door Switch Wire." Any thoughts? Is there maybe another wire I can also tap into? Also, if there is no lumbar support fuse, what is an alternate fuse that is constantly on that the Add-A-Fuse can go to?

[@malcolmkeith816]

I never knew anything like this existed!!! thank you so much... Some bum ass dudes broke into 40 cars around my neighborhood this morning and about 10 in my apt complex... unfortunately I was a victim of some broke ass bums, They hit my window a few times but the glass didn't break, looks like my window has a bunch of spider webs tho... thank you so much.... watched it again this was explained poorly af lmao

[@mobolajiakinola3]

you switched to dislike so quick though

[@malcolmkeith816]

@@mobolajiakinola3 2 years ago 🤡🤡🤡✌🏾

[@mobolajiakinola3]

@@malcolmkeith816 looking to install something of such to my lexus ux 20 playe

[@sergiotorres7915]

Nice! Great addition. Any ideas on extending the range of the crap built-in remote starter? Can’t believe Honda integrates a remote starter that is less effective than their add-on ones. No two communication and range is garbage with maybe 400ft line of sight. Put a metal door between them and forget it

[@vi3tl23n3gad3]

If you have a FACTORY REMOTE START, I would advise finding a different fuse to tap. When I remote start my car, the car will start but at the same time it shakes the sensor causing the alarm to go off and therefore disabling my engine immediately. So if you know a work around for this, I would really appreciate it.

[@DIYCarModz]

It wouldn't matter which fuse you tap the out come will be the same. What you need to do is either route the blue wire to the hook switch wire under hood or simply use the remote to unlock the vehicle first and then lock and then immediately use the remote start before the alarm sets itself. The alarm is set after 15-30 sec once the car is locked so you have to remote start immediately before the alarm sets.

[@neilgray6264]

Hey Peter did ur factory remote start works after what Jeff says to do.

[@PaulVo]

Neil Gray that doesn’t work either

[@Angel-my7zw]

Do you choose the same wireless in all the vehicles

[@SYKOK1LLER]

I'm going to install this and a tilt sensor. If I want to put a toggle switch to disable either does it just go inline with the door wire? The sensors could be triggering all they want but will not send a pulse to set off the alarm right?

[@red2965]

Courious question do I have to use the same detector or could you use a Karr KS-3946 I recovered from a salvage yard?

[@DIYCarModz]

Sorry, I'm not familiar with that shock sensor.

[@neilgray6264]

How do u remove that panel to access that fuse compartment can u do a vid on that plz?

[@DIYCarModz]

kzbin.info/www/bejne/e5msoql6mdyIo9Em5s

[@neilgray6264]

Thanks alot man

[@CCG0D]

Understood everything except for the green wire that you said to connect it inside the sensor unit. Can you please elaborate more on it like where the green should connect to inside the sensor unit? I havent bought the device so i dont know what's inside yet. Great video and info from this video. Thank you in advance for your help

[@DIYCarModz]

The wire harness that is provided with the unit has both ends with a similar plug. You connect the end with the green wire loop into the shock sensor. The other connector end doesn't have the green loop wire.

[@CCG0D]

@@DIYCarModz got the device and see what you meant. Perfect explaination. Thanks bro! All I need to do this weekend is to track down the door switch for my 2013 accord. Hopefully, it'll be the same color and location with yours.

[@CCG0D]

@@DIYCarModz update: follow your video, i installed mine and it works like a charm. Follow up, im planning to add tilt sensor 507M to this set up but don't know if it's straight forward to go color by color by tap blue to blue, red to red (87a), and orange (tilt sensor) to black? The reason why i'm hesitant is because i only found the other model of the 504, maybe it's 504k instead of "d", which comes with the pod. This pod has its internal relay which makes wiring addon tilt sensor very straight forward. However, with my current set up, like yours, i don't know if it will work because 504D does not have the pod. Do you have any suggestion?

[@toons8157]

Is there a particular brand to look at when purchasing a shock sensor? or are they all the same? How durable are these shock sensors and the longevity?

[@edubb2491]

Only. Feture ive seen with my alarm on my 16 honda accord sport is when window is down..if i reach in..and try to unlock..it goes off..very simple alarm!🙄

[@Stongray67]

have a 2004. jeep grand cherokee I got all the parts to install shock sensor BUTI can NOT find the trigger wire to hook up sensor

[@DIYCarModz]

You can hook it up to the door switch ot the hood switch wire. Go to 12volt forum and you should be able to find an alarm diagram for your vehicle

[@tnamen1307]

sir what will happen if the car is parked tilted like 60 degree inclination? Will the sensor work the same???

[@andresvargas8005]

I have a 2018 accord and I can’t seem to find the brown wire. Anyone know what wire I can tap or do I need to continue looking?

[@howardrosner4282]

Where did you purchase shock sensor and what is the name of the product? Thank you for your video

[@GOtto-jm1pb]

I have a 2016 accord coupe touring. I did this as closely as I thought. I have 2 brown wires for sure plus a tan. The alarm works but now my remote start does not. Also if I don't lock it and just hit the car the lights turn on.

[@neilgray6264]

Hey G. Otto did u get ur remote start to work and if yes what did u do?

[@boyka1827]

How did you add the ground wire to the relay? I got the part where you ran it from the shock sensor box to the relay. And you said add another wire to that relay at 2:55

[@renemartinez7088]

Does this work for the 10th gen accords too ? and does the alarm have a timer to shut off on its own if I'm not able to turn it off?

[@DjSandy809]

My accord 2017 has two brown wires how do i know which one is the negative one or the correct one

[@DIYCarModz]

Its a solid brown wire. Not the tan one.

[@r2d2cold9]

hello..having trouble with this on a 09 honda fit...everything's wired but cant get it to trigger alarm. any info on which wire to tap for blue trigger wire? thanks

[@DIYCarModz]

open up the the door switch assembly on the door jam. There will be one wire attached to the switch. That is the color wire for your trigger wire.

[@r2d2cold9]

DIY: Car Modz Got back to playing with this, this morning and connected the blue wire directly to the back of the door pin and reinstalled door pin with bolt, and alarm won't set. beyond my abilities. ..i give up I guess lol.

[@khrisjared1]

Hello the trigger wire from the shock sensor is that positive or negative to the door switch or trunk switch wire.

[@gdidy2]

I did everything like what you did on my toyota avalon 2015 the sensor light is on but the alarme doesn't turn on I'm missing something?

[@frank070808]

what if my fuel box is under the hood for 2012 Hyundai Sonata? can I place the shock sensor under the hood?

[@BadDrucifer]

Can you also do a tilt sensor add on as well?

[@DIYCarModz]

Yes, you can add the tilt sensor.

[@BadDrucifer]

@@DIYCarModz thanks for answering my question but I meant can you do an updated video adding a recommend tilt sensor? How do feel about dash cams?

[@tnamen1307]

@@DIYCarModz sir what will happen if the car is parked tilted like 60 degree inclination? Will the sensor work the same???

[@tnamen1307]

@@BadDrucifer sir what will happen if the car is parked tilted like 60 degree inclination? Will the sensor work the same???

[@marlionisaac8072]

Can you walk me through how to currently Install Shock Sensor in my Acura Legend 1993?

[@mehranm2]

Would this work on OEM cars like GM Corvette?

[@AngelGuzman-ij7pl]

How do you connect the green wire inside

[@arodriguez8762]

So far hasn't worked on my 2016 Honda accord. Also my steering, tpms, and traction controls lights have come on

[@AlfredoMartinez-qu9go]

Does the shock senor light has to to be green when everthing plug in or both lights are off?

[@avrielavriel-se4iq]

I got 2017 civic is it the same wiring?

[@davidsoto2381]

So do I have to buy that relay . Can you explain everything we need to buy ??

[@illla]

Great info! Does this work for 2016 Honda HR-V?

[@modestoledsign4274]

Hi there ... very awesome video but I have a question ... the blue trigger wire is giving a positive or negative output?? And the door switch is that switch it control a dome light?? Thanks

[@DIYCarModz]

The blue trigger wire is connected to the door switch wire which is negative switch. Ground when the door is open which is tied to the dome light circuit.

[@modestoledsign4274]

@@DIYCarModz thank you brother for quick response... still I'm confused a lil bit ... so if you open the door the blue wire will be short circuit to ground and that will not damage the shock sensor?? Thank you

[@type2523]

My stock alarm has the same colored wires ,can I just attach the mm to the stock alarm wires ?

[@DeezyDev]

what is the door switch wire, is that the door ajar switch?

[@SergGutta]

Can I use this model Directed 504K OEM Interface Shock Sensor on my 2017 honda accord exl?

[@M35180S]

Can I hook up this shock sensor up without using a relay unit?

[@marlionisaac8072]

Can you do a Video on how to install the Shock Sensor on a Acura Legend 1993? I cut the green wire off that lop around off On a different Video the person said it was not need. You show that it is need for the Shock Sensor to work. I install the Shock Sensor it do not respond back when I hit my Car.

[@califlitchmore3602]

Does it have tilt sensor

[@rubenenergypoprider2048]

Great video

[@yaahooali]

Hi, Thank you for the great video I have a honda accord 2019 V6. today I connected the shock sensor my only problem is how to make sure what wire is trigger door switch, my car fuse box and the other compartments is look like yours in the video I found a brown wire comes from the upper white tube and connected blue wire to but shock sensor does not work properly, just when I hit the car 3 or 4 very short horn? even with no connect blue switch, it will shorthorn , any idea appraciated thx

[@DIYCarModz]

10thgen Accord does not have door switch module. I believe it is controlled magnetically. You need a test light or multimeter and search for either the hood switch or whatever controls the door trigger wire.

[@yaahooali]

Thx for comment, try to find the wire by multimeter or test light but first I should find out how to search for and test door trigger wire 😀 thx

[@ahiezertorres]

Hey question Do I have to purchase a separate relay beside the one my car has?

[@jj3ff3r50n808]

Is the door switch wire the same for 10th gen civics?

[@chunhoochun]

That's so helpful! Thanks for sharing!

[@DIYCarModz]

Thank you for watching.

[@dasabeke]

Hey. Jeff..I have 2016 accord sedan Touring. Im interesting to add this shock sensor in my car. Can you pls make one this set up ready to use for me and how much would you sell it to me ? Thanks

[@silverapple2011]

I have an aftermarket alarm but the guy installed the shock sensor with plastic zip ties so it's basically useless. I only found out it was useless after I got my car towed and it didn't go off until the tow truck went over a speed bump. How would you recommend to attach it to the vehicle? I think I'm going to use a screw and nut.

[@Stongray67]

THAST JUST HOW YOU MOIUNT IT WITH ZIP TIES

[@redhulkultra155]

Will this work for a 2021 acura rdx sh-awd aspec?

[@AngelGuzman-ij7pl]

Can you add this on any car?

[@Erickscomp]

Let say the shock sensor gets activated, and the alarm goes on. How long does it say on for? Does it stop after 5-10mins? Or just keeps going and going until you turn it off?

[@DIYCarModz]

I haven't checked but it's however long the stock security system goes on for. I don't want to piss off my neighbors trying to figure it out. You can check by leaving the driver door window down and lock the vehicle with the remote, toss the key away from the vehicle and reach in and open the car while the car is still armed. The alarm should go on.

[@Erickscomp]

@@DIYCarModz just did a test, and its 2mins on my honda CRV 2020

[@DIYCarModz]

@@Erickscomp Thank you for the info.

[@viciouslyxdelicious]

What no Demonstration

[@bEar02x]

Hi, i have a question of the problem that many reports about their remote start, "The car alarm goes off and the car turns off. Is there a way to bypass this issue?" you guys found a work around?

[@vorkski860]

Im about to install and wondering the same . But if there is a 30 sec. Delay for the shock sensor to be armed . You should be able to hit unlock and then do your remote start in less than 30 sec. And not trip it ? Give it a try and let me know.

[@JimTMcDaniels1]

NOTE: If you buy the more expensive 504K shock sensor, then you don't need to buy a relay!

[@SDChillRide]

so your telling that this sensor has tilt sensor built in to it?

[@rubenfabela9285]

You would not believe how many of these alarm install idiots don’t know how to do this or say I have to buy a whole new alarm. I would do it myself but I don’t like messing with wiring and/or splicing. 😳🙄🤦🏽‍♂️

[@blackalic]

What happened if you lock the door while driving(active alarm)?

[@Ito253047]

I am trying to add this to my nissan altima 2020 but I am having problems like the doors unlocking whenever I stop the car and the alarm led in the dashboard going off all the times that detect a impact so I turn on the car and the shock sensor is still going off

[@Ito253047]

All this problems that I mentioned above is while I have the car on and driving thanks

[@bobn27613]

Can you advise on which wire is the trigger wire on a 2018 Accord; I thought I could just trace it from the door but it is a magnetic sensor. Also can I just 'piggy back' on my DVR which is already has a 12 Volt constant and a 12 Volt ignition or do I need to identify 2 additional potential fuses

[@DIYCarModz]

You need to trace your hood pin switch wire that is located under your hood and run a wire to tap into that then. Yes, you should be able to use any constant and ignition switch power source. Just make sure to separate them with a fuse for safety reason.

[@bobn27613]

@@DIYCarModz Is there a wire nearer the wiring harness I can tap into

[@tarikq2547]

Hi there, Thank you so much. This method could work on 2021 Toyota Highlander Thanks