GM Service Manual Online
For 1990-2009 cars only

Step

Action

Values

Yes

No

Schematic Reference: Exterior Lights Schematics

Connector End View Reference: Lighting Systems Connector End Views

1

Inspect fuse F14.

Is fuse F14 open?

--

Go to Step 2

Go to Step 3

2

  1. Inspect for a short circuit and repair it, if necessary.
  2. Replace the fuse.

Did you find and correct the condition?

--

System OK

--

3

Use a voltmeter to check for power to fuse F14.

Does the battery voltage available at fuse F14 measure within the specified range?

11-14 V

Go to Step 5

Go to Step 4

4

Repair the power supply circuit to fuse F14.

Did you complete the repair?

--

System OK

--

5

  1. Disconnect the hazard switch connector.
  2. Use a voltmeter to measure power to the hazard switch terminal 8.

Does the battery voltage available at connector terminal 8 measure within the specified range?

11-14 V

Go to Step 6

Go to Step 9

6

  1. Remove the hazard switch and disconnect it for testing.
  2. Turn the hazard switch ON.
  3. Test with an ohmmeter between terminals 7 and 8.

Is the resistance equal to the specified value?

0 ohms

Go to Step 7

Go to Step 10

7

  1. With the hazard switch still removed and disconnected for testing, turn the hazard switch ON.
  2. Use an ohmmeter to check between terminals 5, 6, and 9.

Is the resistance equal to the specified value?

0 ohms

Go to Step 8

Go to Step 10

8

Repair the open circuit between the hazard lamp switch connector and splice S202.

Did you complete the repair?

--

System OK

--

9

Repair the open circuit between the hazard switch connector terminal 8 and fuse F14.

Did you complete the repair?

--

System OK

--

10

Replace the faulty hazard switch.

Did you complete the replacement?

--

System OK

--