HossinatorSS

iTrader: (1)

Well, my stereo that's been installed for 3 years now has decided (in the last few months) that it likes to randomly shutoff. when this happens the windows won't roll down. Usually it's when going over bumps so I checked for a loose hot/ground, ended up re-crimping the hot wire and it seemed to be fine for a week or two. Also, when the radio shutoff, you could bang on the side of the console/pillar and it would light up for a second again making me think a loose wire.

All this makes me think the radio or a loose wire BUT here's the catch:

Sometimes the radio will work fine, I turn off the car and it just shuts off instead of staying on for the 10 minutes of retained power. Also, when this happens, the power windows won't work. It's as if somebody opened the door and killed the retained accessory power.

Also, when driving and the radio cuts out, if I turn the car off and restart it, it usually comes back fine. All this makes me think that it's something in the ignition switch.

I'd appreciate any help!

thanks!

WhiteBird00

iTrader: (4)

The retained accessory power that runs the radio and windows is controlled by the BCM. Several members have found that the wire at the BCM gets loose and causes intermittent connection. Try wiggling the dark blue wire at the BCM and see if you can duplicate the problem.

STMPDUST

What is the BCM?

WhiteBird00

iTrader: (4)

The BCM is the Body Control Module. It is a black box about the size of a paperback book mounted to the heater duct under the dash behind the glovebox. It controls several body related functions including retained accessory power, power door locks, keyless entry, alarm, audible warnings (chimes), hatch release, etc.

STMPDUST

Thanks i need to check that wire , my windows (both) and radio are acting funny

HossinatorSS

iTrader: (1)

thanks for the info!

phantomzer0

iTrader: (17)

My car does this as well. I was wiggling some of the wires and that is totally my problem. The only hang up is, how the hell do you un-clip the harnesses from the actual BCM??? I can't figure it out for the life of me. I think the reason mine is messed up is because I had an aftermarket alarm installed. It looks like the ******* noobs over at Circuit City just electrical taped wires that they tapped into. Nothing like doing it the right way.... I'll have to get in there tomorrow and get those harnesses un-clipped. Anyone know how?

the weird thing is, sometimes when I wiggle the wires it will shut the radio off, and sometimes it won't. I can have the car parked but running and not touch any wires and the radio will shut off. It seems like the wire is loose or grounding out somewhere. This is a real ******* headache.

Dustin AZ

iTrader: (1)

My car is doing the same thing. This is definitely helpful!

PS - God bless the search function!


- Dustin

Sup foo

iTrader: (1)

Check this out.

https://ls1tech.com/forums/general-maintenance-repairs/883334-ls1-body-control-module-problems-fix.html

I tried to track down this same problem for two years and someone here finally figured out how to fix it. I did the re-solder like the thread suggested and the radio/windows haven't cut out in over 4 months.

HossinatorSS

iTrader: (1)

whoops forgot to post follow-up. re-soldering fixed it. I had a very tiny crack in the solder joint.

sherylp

The power windows and radio in my 2000 Escalade would shut off randomly while driving. I finally took it in and it was the accessory relay that let's the radio and windows stay on after you shut off the car. It was a wire that needed to be resoldered

Need4Camaro

iTrader: (1)

99.9% sure its the BCM for the OP's case. Its a very common problem with F-Bodies. it happened to me too and the resolder fixed it.