GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Inspect the HAZARD fuse.

Is the fuse open?

--

Go to Step 5

Go to Step 2

2

Using a test light, backprobe between the connector C201 harness connector terminal E8 to ground.

Does the test light illuminate?

--

Go to Step 4

Go to Step 3

3

Repair the a poor connection or open in circuit 1840.

Has the repair been made?

--

Go to Exterior Lights System Check

--

4

Replace the turn signal switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in steering wheel and column.

Has the repair been made?

--

Go to Exterior Lights System Check

--

5

Repair a short to ground in circuit 1840.

Has the repair been made?

--

Go to Exterior Lights System Check

--