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2004 Pontiac Grand Prix Electrical surges through radio cau

Tiny
ANN LOVE AYRE
  • MEMBER
  • 2004 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 114,000 MILES
Some type of electrical surge or break in power causes a loud pop in the speakers when the car/weather is cold. The radio resets the clock, etc. And the xm is gone until the car is restarted. I put a similar radio from a 04 silverado in the car to test it and it did not do it. Is this radio bad? It does operate correctly otherwise. The radio I tried from the silverado did go into "lock" mode when the car was started. But there was power to it.?
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Saturday, November 21st, 2009 AT 9:48 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,
Thank you for the donation,

I would be thinking that the original radio has an internal fault, it may be wort while giving it to a radio tech to bench test to prove this one way or the other, start here.

Mark (mhpautos)
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Saturday, November 21st, 2009 AT 6:55 PM

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