GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Audible Warnings System Check performed?

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Go to Step 2

Go to Audible Warnings System Check

2

  1. Disconnect the connector C1 at the multi-function alarm module.
  2. Connect an unpowered test lamp between the multi-function alarm module connector C1 cavity A1 for CKT 8 (GRY) and ground.
  3. Place the headlamp switch in the OFF position.

Did the test lamp light?

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Go to Step 3

Go to Step 4

3

Repair the short to voltage on either CKT 8 (GRY) between the IP dimmer switch and the multi-function alarm module or on CKT 44 (DRK GRN) between the IP dimmer switch and ILLUM fuse 14.

Is the repair complete?

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Go to Audible Warnings System Check

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4

Replace the multi-function alarm module.

Is the repair complete?

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Go to Audible Warnings System Check

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