GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Safari - 4WD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Hazard Lamps Inoperative

Hazard Lamps Inoperative Domestic

Step

Action

Value(s)

Yes

No

1

Did you perform the Lighting Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2
  1. Place the ignition switch in the RUN position.
  2. Turn the hazard flashed switch OFF.
  3. Place a turn signal ON.

Does the turn signal operate?

--

Go to Step 3

3
  1. Place the turn signal in the OFF position.
  2. Disconnect C201.
  3. Connect a test lamp from CKT 140 cavity E8 at C201 to ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

4
  1. Reconnect C201.
  2. Turn the hazard flashers ON.
  3. Use a test lamp to backprobe CKT 62 (LT GRN) cavity E1 at the connector C201 to ground.

Does the test lamp light?

--

Go to Step 6

Go to Step 7

5

Repair the open in CKT 140 (ORN) from the turn signal switch to the instrument panel fuse block.

Is the repair complete?

--

Go to Step 8

--

6

Repair the open in CKT 62 (LT GRN) between the turn signal switch and S208.

Is the repair complete?

--

Go to Step 8

--

7

Replace the turn/hazard switch. Refer to the appropriate diagnostic table.

Is the repair complete?

--

Go to Step 8

--

8

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 2

Hazard Lamps Inoperative VE1

Step

Action

Value(s)

Yes

No

1

Did the Lighting Diagnostic System Check bring you here

--

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

Check STOP/HAZ fuse 1 at the I/P Fuse Block.

Is the fuse functional?

--

Go to Step 4

Go to Step 3

3

Locate and repair overload and replace STOP/HAZ Fuse.

Is the repair complete?

--

Go to Step 10

 

4
  1. Place Ignition Switch in the RUN position.
  2. Turn the Hazard Switch to the OFF position.
  3. Place a Turn Signal ON.

Do Turn Signals operate?

--

Go to Step 5

Go to Diagnostic Trouble Code (DTC) List/Type

5
  1. Place Turn Signal in OFF position.
  2. Disconnect C201.
  3. Connect a test lamp from CKT 140 (ORN) wire cavity E8 at C201 to ground.

Does Test lamp light?

--

Go to Step 6

Go to Step 7

6
  1. Reconnect C201.
  2. Turn Hazard Flashers ON.
  3. Using a test lamp, backprobe CKT 62 (LT GRN) wire cavity E1 at C201 to ground.

Does Test lamp light?

--

Go to Step 8

Go to Step 9

7

Locate and repair open in CKT 140 (ORN) wire from Turn Signal Switch to I/P Fuse Block.

Is the repair Complete?

--

Go to Step 10

--

8

Locate and repair open in CKT 1508 (LT BLU) wire between Turn Signal Switch and S250.

Is the repair complete?

--

Go to Step 10

--

9

Replace Turn/Hazard Switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .

Is the repair complete?

--

Go to Step 10

--

10

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 2