FACTORY HEAD UNITS SHUTS OFF, AFTER ABOUT AN HOUR COMES BACK - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-01-2008, 09:21 AM   #1
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Default FACTORY HEAD UNITS SHUTS OFF, AFTER ABOUT AN HOUR COMES BACK

I am new to this forum and have a question concerning audio in a '99 Bonny SLE.
I was running a Pioneer Head Unit with Pioneer 2 way 5.25s in front doors and 3 way 6x9s in back with a 550W amp and a 10" American Bass competition Sub (which is amazing).

Well i wanted my steering wheel controls back, so i installed my factory Head unit, (delco w/ 7 band EQ and Cd player). The speakers with the factory head unit sound
awesome!! I was actually quite amazed.
Here is the problem. When i turn on the amp for the sub,(have RCA converter in trunk) after about 10 minutes of playing the sound cuts out completely, then takes about an hour to come back. If i do not use the sub, the radio works all day. I have used the RCA converter in my Truck and had no problems at all. Am i just overloading the head unit?
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Old 02-01-2008, 10:29 AM   #2
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I WAS JUST TOLD THE ANSWER AT WORK. One of my fellow technicians informed me that he has done many stereos on GM vehicles and that the factory head units are extremely sensitive to those add on RCA outs. the amp in the radio is just shutting itself off until it cools off. i noticed it did get hotter than usual, not too much though. Didn't think that it was going to be an issue since i ran the similar setup on my 2005 ford truck.

thanks anywayz

Joe
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Old 02-05-2008, 01:40 AM   #3
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Sounds like you have a short or some other issue.

Where did you do your tap for the line level adapter ?
Up at the radio or at the rear speakers ?

I use line level adapters for my customers all the time with no issues.

Also it could be the brand of line level adapter. What make is yours ?

Good luck,
Dutch
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Old 02-05-2008, 02:04 AM   #4
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Perhaps snag a 120mm 12v CPU fan and mount it to the passive heatsink already on your radio? Just a crazy idea that would help keep things cooler, if that is indeed your issue.
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