GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Does the radio turn ON and OFF?

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Go to Step 2

Go to Step 3

2

  1. Turn the ignition switch to the OFF position.
  2. Remove Fuse 10 for one minute.
  3. Reinstall the fuses.
  4. Turn the ignition switch to the RUN position.
  5. Turn the radio ON.

Does the radio display LOC?

--

Go to Step 3

System OK

3

Service the radio. Refer to Radio Replacement for service procedure.

Is the repair complete?

--

Go to Radio/Audio System Check

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