Blown 346 Posted February 24, 2018 Report Share Posted February 24, 2018 My Pioneer Av-4300DVD double din powers on and then off. My truck was in an accident and it worked fine. Pulled the entire harness GMOS-04 etc out with it.. Powered it up last night to get a cd that was in there, and then it started doing this. The head unit and radio etc were all working after the accident, Could the GMOS-04 cause this issue? Im thinking since the fuse is good in the head unit and it powers on, the screen is fine, everything works, it just shuts down after about 5 seconds, that the GMOS-04 is possibly shorted, otherwise the head unit wouldnt work at all. How can I tell if the GMOS is the culprit without everything in the truck since its totaled and the insurance took it. I used a battery to power the unit up. Thanks. Mike Quote Link to comment Share on other sites More sharing options...
Blown 346 Posted February 24, 2018 Author Report Share Posted February 24, 2018 Fixed it.... Quote Link to comment Share on other sites More sharing options...
EXGM Posted February 25, 2018 Report Share Posted February 25, 2018 So what was it? Quote Link to comment Share on other sites More sharing options...
Blown 346 Posted February 25, 2018 Author Report Share Posted February 25, 2018 It was the instant shut off when my truck was wrecked that had 1 red pin come out of the Axxess box for the head unit to power on, I found it and bent the tab back out and replaced the pin. Quote Link to comment Share on other sites More sharing options...
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