GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Were you sent here from the Headlight System Check?

--

Go to Step 2

Go to Headlight System Check

2

Measure the voltage at the head (RH-LWR) fuse.

Is the measured voltage within the limits of the specified value?

B+

Go to Step 3

Go to Step 4

3

Locate and repair the open in the RED/GRN wire between the fuse and the RH headlamp. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Headlight System Check

--

4

Locate and repair the open in the BLK wire between the fuse and the DIMMER Relay. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Headlight System Check

--