Service park lamps

2004 PONTIAC GRAND PRIX

134,000 MILES • 3.8L • 6 CYL • 2WD • AUTOMATIC

CHEVY_ROSE08

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My car is saying service park lamps and all the lights flash and drains the battery. I have to keep unplugging the battery. Now my stock radio has no sound and I do not know why. Please help.

Jul 15, 2018 at 1:23 AM

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Hello,

This sounds like you have a parking lamp relay that is stuck on. Here is a guide to help you confirm the issue and the location of the relay I have also included the wiring diagrams so you can see how the system works:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (below). Please run this test and get back to us.

Cheers, Ken

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Jul 16, 2018 at 1:56 PM