GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Radio/Audio System Check?

--

Go to Step 2

Go to Radio/Audio System Check

2

Using a J 35616-200 backprobe the radio connector cavity B1 to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

Replace the radio. Refer to Radio Replacement .

Is the replacement complete?

--

Go to Radio/Audio System Check

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4

Repair the short in the BLU/YEL wire between Junction Block 3, C 1 cavity 1 and the radio connector cavity B1. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

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