GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible Warnings System Check?

--

Go to Step 2

Go to Audible Warnings System Check

2

  1. Remove the RED wire from connector 2 cavity 5 of the multifunction alarm module.
  2. Turn the ignition switch to the ON position.

Is the alarm still present?

--

Go to Step 3

Go to Step 4

3

Replace the multifunction alarm module. Refer to Multifunction Alarm Module Replacement .

Is the replacement complete?

--

Go to Audible Warnings System Check

--

4

Test the RED wire for a short to ground between the multifunction alarm module and the seat belt switch.

Is a short to ground present?

--

Go to Step 6

Go to Step 5

5

Test the BLK wire for a short to ground between the seat belt switch and G300.

Is a short to ground present?

--

Go to Step 6

Go to Step 7

6

Repair the short to ground. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Audible Warnings System Check

--

7

Replace the seat belt switch. Refer to Seat Belt Retractor Replacement - Left Front in Seat Belts.

Is the replacement complete?

--

Go to Audible Warnings System Check

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