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Ok I put in a Scosche GM13sr Interface and also put in a after market head unit. I installed it all right everything and also wired in a relay for the radio like it says. now the radio turns on stays on for about a min then shuts right off I checked everything about 10 times and still have no clue what to do. Please help!!!
 

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2 questions: 1-did ou read my DIY?
2-did you buy the crutchfield PAC harness (expensive-ish one)? I can help you more after you have answered these.
 

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Gm13sr

Greetings,

With all Wiring interfaces (such as the GM13SR), it is necessary to introduce the interface to a vehicle that is in an in-active (resting) state. The following procedure should ensure proper functioning of the GM interface (In sequential order).

- Disconnect the GM interface from the vehicle
- Close all doors, turn off all lights, remove the keys from ignition
- Wait 60 seconds (while inside the vehicle)
- Connect the GM Interface to vehicle
- Start the vehicle
- Test for proper functionality
 
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