Problems and Fixes After Car Audio Installs

SonnyC

I did a speaker install a couple of days ago. After reassembly, the windows would drop about 1/4 inch and not go back up when the door was opened or closed. I did a reset on the switch and it fixed the problem. Today I went through the automatic car scratcher and the drivers window started going up and down about 1/4 inch on it's own. This happened in the middle of th high pressure rinse and hosed me down pretty good. I did another reset afterwards and everything seems to work fine. I don't know if it will happen again. Has anyone else had this experience, found the cause and fix?

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hardroc86

Hey Guys and Gals,

Ok, finally found that almost 9 times out of 10 if you get the service engine soon light on after your HU install it is most likely caused because of the A/C control unit. You disconnect it when you install the HU and if you test your HU without connecting the controls again you install will register a fault even if you connect the controls later on, it wont matter you will still need to reset the light.

Hope this helps you guys out!

jikhead

I couldn't get the air bag fix listed in the OP...but this technique in this video worked. Maybe should at it to the OP.

Dzel

This thread was alot of help with my window bug. Thanks guys

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Baconboy

Heads up for the airbag: I followed the advice about making sure the battery was disconnected before I unplugged the airbag light from the dash. Then I removed the light from the dash panel and plugged it in so I could power-up without having the panel dangling in the way. This worked, but then I tripped the airbag light when I removed the passenger seat :\ At least the fix is easy.

Robs370

I am having a slightly different problem than what I've read so far. My Service Engine soon light is on and I don't know how to get it turned off and my Airbag light is currently on as well but it does not flash... it just stays lit. The major problem with all of this is that I did have my negative battery terminal uninstalled while I was putting the radio in and once the wires where hooked back up on both the radio and airbag light on the dash i connected the negative battery terminal..... and surprise surprise the lights of death are on and I cannot get them off... Does anyone else have this problem? If so how did you get it fixed???

Thanks a lot.

Robs370

I fixed the problem with my airbag, but my Service engine light is still on... does anyone know what to do with that?

jikhead

Check on the forum and/or google the problem. You should be able to find the fix which I just can't recall how to do. It's something like holding the clutch down, and turning the ignition on/off. Check to see if there's a youtube video on it.

chknhawk

I just did a preliminary install for a head unit I ordered from china. Very easy and didn't have any problems. I did have a kit from crutchfield and it had step by step that showed what to do and what not to do. They recommend removing the negative before you disconnect anything. They also recommend not disconnecting the airbag light but rather removing the light from the pannel (while still connected to harness). I think another member mentioned this also a couple posts up. Even before I put everything back together I connected the battery post and did some testing (had a wire mismatch) and then put everything back together. It all works good for me. No problems. 2012 370Z Base/Sport.

Alexshen1

i fixed my airbag with this! thanks first try haha

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Dustyboy

I had the service engine soon light on after installing my new head unit. Apparently it is an error code generated by too many battery disconnects. I bought a OBD-2 reader/eraser at autozone, it gave me the code and erased it. You can borrow one from them too if you dont want to buy one. I bought the Actron model for $50, I see newegg sells similar ones for around $25+, I'd recommend getting one for future use, saves time and trips to the dealer.

dmhenderson

I'm going to go ahead and leave this here because who knows, someone might be able to figure it out:

About a year ago I installed a Pioneer HU, alpine amp (under passenger seat), sub (in hatch) and replaced the kickers/tweeters in both doors.

After the install, my wireless key fob doesn't work sometimes (but not all). No rhyme or reason to when it works but it comes and goes. No one can figure out the problem. I'm resigned to the fact that I may never be able to fix it but that just seems awful for such a dumb problem.

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saleshound

I LOVE this forum! I can't tell you how many time I have come onto this form and found the answer to a problem I'm having! Your post about resetting the passenger airbag after a radio install was right on the money! Followed your instructions and the warning light went out! YOU ROCK!

saleshound

I love this site. I can't tell you how many times I have found a solution to a problem I am having. I just followed the instructions to reset my passenger airbag, and the instructions worked perfectly! YOU ROCK!

dmhenderson

D-d-d-doublepost

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