GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the system check?

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Go to Step 2

Go to Radio/Audio System Check

2

  1. Disconnect the radio connector.
  2. Connect a test lamp from the radio connector cavity 11 to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

Remove the radio for repair.

Is the repair complete?

--

Go to Radio/Audio System Check

--

4

Repair the open in the WHT wire between the radio and fuse block 2. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

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