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andy_goldberg

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Joined
Aug 10, 2008
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Location
Queen Creek, Az
I just bought a 2003 Tahoe with the Bose system. I have decided to replace the factory head unit with a Pioneer DEH-P5000UB. I bought everything to do this. I am using the GMOS-04 wiring harness.

When I installed the unit, the stereo lights up for 5 secs and then goes blank and then I get 5 beeps from somewhere in the car. I canno get power to the stereo unless I unplug the factory 24 pin connector and reconnecting, but still only the 5 seconds of lights then beeping again.

Any suggestions on what I am doing wrong? I am going to call Metra in the morning but would like to here some input from others.
 

WrenchGuy

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Nov 11, 2007
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Unhook the battery for a few minutes.. Then hook it back up. I think it throws off the ECM. Mine did the same sorta thing.
 
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