GM Service Manual Online
For 1990-2009 cars only

(Pontiac w/UB3 and Oldsmobile w/ UH8)

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster System Check?

--

Go to Step 2

Go to Instrument Cluster System Check

2

Inspect the CKT 99 (BLK/WHT) for a short to ground.

Is the wiring OK?

--

Go to Step 3

Go to Step 4

3

Inspect the washer fluid level switch for a short to ground.

Is the swicth OK?

--

Go to Step 6

Go to Step 5

4

Repair the short to ground in CKT 99 (BLK/WHT).

Is the repair complete?

--

Go to Instrument Cluster System Check

--

5

Replace the washer fluid level switch. Refer to Washer Solvent Container Replacement in Wiper/Washer Systems.

Is the repair complete?

--

Go to Instrument Cluster System Check

--

6

Replace the instrument cluster. Refer to IP Cluster Replacement (Pontiac).

Is the replacement complete?

--

Go to Instrument Cluster System Check

--