Chevy and GMC Hood Latch Switch Bypass Open Hood warning
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- เผยแพร่เมื่อ 21 ส.ค. 2024
- Hello here is a video showing how to bypass the hood switch and still have your factory auto start working.
vehicle in video is a 2019 gmc 2500hd but is the same switch for most if not all of the gm truck line
Caution tampering with the electrical system of your vehicle is a risky thing and could render your vehicle inoperable if done incorrectly do at your own risk.
with bypass in place you will be able to use your auto start when hood is open so if anyone is to be working on your vehicle they need to know that so they know to disconnect the battery.
items used 2.2k resistor
amzn.to/490md88
I used random 18 gauge wire I had laying around
solder
heat shrink for a clean install
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Thanks dude, just did this today, worked out great. Chevy told me the replacement hood latch was on backorder with no estimate of when it will be back in stock. I didn’t even use any extra wire, just soldered the resistor onto the tails that came out of the plug, then shrink wrapped.
Glad it helped
Hi. Which model? Which year? Ohm? Watt? Please tell me my friend. I need your help
@@n.a3932 The ones that i used i have a link in the description to the ones I ordered.
@@alaskagarage How long did it work?
@@n.a3932 still works. I have not had a single issue since installing them. installed over 3 months ago
2017 GMC Sierra 2500HD and this worked perfect thank you !! We had the same issue with the hood open light on dash and lost remote start. Only difference we did as we followed your video is instead of solder iron we went with the "Kuject" brand "Solder Seal Wire Connectors". For those who aren't familiar with them, just insert both ends of bare wires into the connectors, apply heat and within seconds the connectors solder as well as shrink wrap. Found them on Amazon. Thanks for such a detailed clear video and description of what you were doing especially the heads up to Ohm test the harness first . Good job, thanks.
No problem at all. I'm glad it was able to help someone out.
@@alaskagarageHey Bud, im trying to do this to my car but i camt seem to find the 2.2k you think i can use something a little higher than 2.2k or lower than 2.2k?
@jamiemorales2022 look in the description. I put the 2.2 resistors that I used in there that worked for me.
I have a 2020 model and had to add 720 ohm resistor to terminal 1-3 or yellow to black in my case. This was in addition to the 2200 ohms between terminal 1-2 or red and black.
My understanding is this is just a microswitch that is normally open and closes to complete the circuit when the hood is shut. Why is a resistor required at all? Can it simply be jumped using a wire? Thanks for great video!
if you just simple connect the circuit with a wire it will get rid of the open hood warning but it won't satisfy the computer so your auto start still wont work.
I changed my sensor and it still does it, I even adjusted it a million times so imma just bypass it
it appears you only use one resister but you make 3 up, did you just make extras or do you need to hook 3 of them up to make it work?
You only need one. I did up multiple just in case they didn't last long, but months later now it is still working perfectly.
What I don't like is, they give you the option to hit dismiss and the warning is just "fuck you im beeping again"
I 100% agree
Had mine going off for 40 mins all the way home. Strongly considered driving into a tree to see if it would fix the problem.
Yeah, me and my son did this and the "hood open" light went off, but now we have a "check engine" light. lol
Did you check the resistor to make sure it is creating the rite resistance? Is the hood latch the same type? If both are correct then your problem might be within your harness and that problem caused excess voltage going to the latch causing it to go bad.
You will need both wires with resistors tied into the black wire on the pigtail. One goes to the red wire, one goes to the yellow wire. This will satisfy the resistance for the BCM and ECM.
Yes @patrick yellow wired needs to be incorporated to eliminate check engine light
Hey man, great video, where you throwing a check engine light also? I have a 2018 1500 LT V6, dealer told me today my hood latch sensor needs to be replaced. My remote start has not worked for a few months and recently my check engine light came on. this looks like a possible fix, any info would help, thank you.
I did not have a check engine light just the hood open warning and my auto start wouldn't work.
Did that fix the check engine light for you after you installed the resistor
You will save my nerves if this works. How did you learn that 2.2k Om resistor is needed?
I found it in the forums. It worked for me and it should work for anyone that has the same latch
@@alaskagarage I see. Have talked to so many car electricians but none of them agreed to take over this issue. First as the Google AI confirmed :-) I simply connected the wires together from the latch in different combinations but the check light didn't go off. Now I see the sensor is not just a contact but produces resistance for the ECU. I will try to solve the issue with two resistors for the red and the yellow wires. Thanks, bro!
@Zabarotropitili no problem yeah if you connect the wires together it could over time creat other issues within your electrical system
It worked for me on 2019 duramax but when I put it in park and drive it comes on. Just trying to figure out if I did it wrong
My wires are blue black and white which wire do i leave out on a 2014 gmc sierra 2500
I just unplugged it, there's no need of a bypass, problem solved no more light
My problem with that was by unplugging it it would get rid of the warning but it wouldn't allow the remote start to work.
@@alaskagarage Really, I rarely use the remote start but that's good to know. Thanks
@alaskagarage I also unplugged and light did go off, but like you said, no remote start. I gotta have my remote start!
Does the engine light on have something to do with it too ? Because my Chevy Silverado has the same problem but with the engine light on I checked it all and there’s nothing wrong with it first or the Cadillac converter wasn’t good but I took it to the mechanics and the dealer and it shows it’s nothing bad
If you have an engine light that came on with the hood open notification you probably have a short somewhere in your wiring
Catalytic converter
Hi. May I use 2.2K ohm 1/4w resistor for it? Or I must use 1/2w?
It in theory should work. I did not check load to know how close it is and the resistor could go bad faster depending on the amount of load in the circuit. I have not had a single issue with the .5 w 2.2 ohm one I put in mine.
@@alaskagarage How much should be the ideal wattage for chevrolets?
I based of off the wire gauge that it is being attached to. I don't know the specific rating of the system, but they should have designed the harness for the wires to be within the rating of the expected or potential wattage and the .5 matched up to the wires its connected to. A .25 will be a very small wire and smaller resistor.
Hello My Friend. My car is Chevy Equinox Lt 2019. My car's hood latch sensor is broken. The hood always seems open. How many ohm resistors should I use?
the same resistors that were used in the video should also work for the Equinox. It is looking for a range of resistance to be satisfied. You will just have to pay attention to the plug that is being used the switch may have 3 wires coming of off it but only 2 of them are utilized in the plug. You will want the resistor beaten the 2 utilized wires to create the resistance between them .
I hope this helps
@@alaskagarage Yes My Friend. Same as part of the car in the video. There are 3 cables. yellow, red, black. I was wondering if the resistor was different. I'll try with a 2.2K 1/2W resistor. I hope I don't damage the car. Thank you
I used 2.2K ohm 0.5W resistor for 2019 Equinox. But when diagnosing the vehicle, it gives the error "hood latch sensor high voltage" (P257F). I cleared the error code, but it failed again. Can you help me?
Try to add another resistor for the yellow wire as well.
Didn’t work for me. I put the resistor on the plug wires that came from the latch
So far I get the hood open msg once I start it. After I delete the msg it doesn’t come back. Any idea what I screwed up on?
What's he soldering?
I did this and the hood open message went off but now check engine light came on with a p257f code which means a higher voltage is being sent to ecm? What do I do?
Strange, are you using the correct resistor?
@Alaska Garage yes bought from Amazon. I get 2.18 on ohms, got rid of open hood but now 257f code. Does Guage of wire matter or length of wire?
The ones I used were 1/2watt 2.2k. Before installing these on my truck I tried just connecting the wires together with I would not sujest you do. When I had the wires connected together it removed my hood open warning but it would not satisfy the system so auto start still did not work. You might have a diffrent model of vehicle and it might be looking for a diffrent resistance or you have another electrical gremlin somewhere else that is giving you that. My truck is a 2019 gmc 2500hd
@Alaska Garage I have a 2018 chevy silverado 2018 5.3 gas double cab. I can't find a hood latch anywhere so I thought this was an awesome idea. I used exact same resistor from same seller.
@rick grover try unplugging the resistor you installed clear the code and c if the code comes back without the resistor installed if the code does not come back install the resistor and c if the code comes in a second time.
What happens if you just tie the wires together?
And not use resistor
That does get rid of the hood open warning but will not satisfy so that the factory auto start works. It could also mess up other more expensive components because they are designed to see that resistance or open circuit for Hood open.
Where you buy the resistors from?
I got them on Amazon. Included a link in the description to the ones purchased.
Thanks for your help this is crap that GM is not taking care for this problem
Cant see what your soldering and you dont explain it either
It is just extension wires onto the resistor, so you have something to connect to