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2005. Bonneville replaced the stereo with aftermarket one…

Customer Question
2005. Bonneville replaced the...

2005. Bonneville replaced the stereo with aftermarket one now only powers on. For a couple seconds then shuts off what could cause this ?

Mechanic's Assistant: Is this an aftermarket stereo, or did it come with the car?

Yes it is after market stereo it only powers on for a sec then it shuts off

Mechanic's Assistant: Are you fixing your Bonneville yourself? What have you tried so far?

Yes i am fixing it mu self and i have tried checking all of the fuses and making sure i have a good ground connection ever tried switch it with a different after market stereo

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

I order the wire harness off of ebay but at auto zone they said ir was a special order and woukd cost 129.00 and the one i got only cost 6.99

Submitted: 4 months ago.Category: Pontiac
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Answered in 8 minutes by:
3/12/2018
Pontiac Mechanic: Dan, Technician replied 4 months ago
Dan
Dan, Technician
Category: Pontiac
Satisfied Customers: 25,969
Experience: Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Hello, my name is ***** ***** I'm here to help get your problem solved.

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Pontiac Mechanic: Dan, Technician replied 4 months ago

It is a problem with your wire harness. This vehicle does not have ignition power going to radio. The expensive harness has it's own module which sends ignition power to radio when it detects vehicle to turn on. So for the cheap harness to work you need to also wire the red wire to yellow wire then manually turn off radio. Otherwise you need to buy the expensive harness with module built into it. My goal is to provide 5 star service so please let me know if you have any questions, thanks.

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Customer reply replied 4 months ago
The harness that was 129 said something about onstar and my does not have onstar
Pontiac Mechanic: Dan, Technician replied 4 months ago

I'll find you a link of the one you need but wiring the yellow and red wires together will solve problem. Give me a few minutes to find connector you need, thanks.

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Pontiac Mechanic: Dan, Technician replied 4 months ago
Ask Your Own Pontiac Question
Pontiac Mechanic: Dan, Technician replied 4 months ago

E​ver get problem figured out? Please do not forget to rate answer, thanks.

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