GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the seat belt/lamps alarm module.
  2. Connect a test light from the seat belt/lamps alarm module connector, cavity B2 to B+.

Did the test light illuminate?

--

Go to Step 3

Go to Step 2

2

Repair the open in CKT 250 (BLK) between the seat belt/lamps alarm module connector, cavity B2 and G200.

Did you complete the repair?

--

System OK

--

3

  1. Turn the ignition switch to the RUN position.
  2. Disconnect the seat belt/lamps alarm module .

Did the fasten belts lamp remain illuminated?

--

Go to Step 5

Go to Step 4

4

Replace the seat belt/lamps alarm module.

Did you complete the repair?

--

System OK

--

5

  1. Disconnect the instrument cluster connector.
  2. Connect a test light from the instrument cluster connector, cavity 30, to ground.

Did the test light illuminate?

--

Go to Step 6

Go to Step 7

6

Repair the short to B+ in CKT 234 (YEL) between the seat belt/lamps alarm module connector, cavity C2, and the instrument cluster connector, cavity 30.

Did you complete the repair?

--

System OK

--

7

Replace the instrument cluster.

Did you complete the repair?

--

System OK

--