GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check the HAZARD fuse.

Is the fuse open?

--

Go to Step 2

Go to Step 3

2

Repair a short to ground in circuit 1840.

Has the repair been made?

--

Go to Exterior Lights System Check

--

3

Using a test light, backprobe between hazard warning switch connector terminal B and ground.

Does the test light illuminate?

--

Go to Step 5

Go to Step 4

4

Repair a poor connection or an open in circuit 1840.

Has the repair been made?

--

Go to Exterior Lights System Check

--

5

Replace the hazard warning switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Has the repair been made?

--

Go to Exterior Lights System Check

--