GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Definition: Right Front Turn Lamp Inoperative.

1

  1. Set the turn signal switch to the right turn position.
  2. Observe the operation of the right turn signal Indicator on the instrument cluster.

Does the right turn signal Indicator flash?

--

Go to Step 2

Go to Step 9

2

  1. Keep the turn signal switch in the right turn position.
  2. Disconnect the harness connector from the right front turn lamp assembly.
  3. Connect a test lamp between terminal A and terminal B on the right front turn lamp harness connector.

Does the test lamp flash?

--

Go to Step 3

Go to Step 4

3

Repair the open in right front turn and park lamp assembly.

Is the repair complete?

--

System OK

--

4

Connect a test lamp between terminal A and chassis ground.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5

Repair the open in CKT 150 (BLK) between S 105 and terminal B in the right front turn lamp harness connector.

Is the repair complete?

--

System OK

--

6

  1. Disconnect the front chassis harness connector C 103.
  2. Connect a test lamp between terminal D and terminal G in the front chassis harness connector C 103.

Does the test lamp flash?

--

Go to Step 7

Go to Step 8

7

Repair the open in CKT 15 (DK BLU) between terminal D in the front turn signal harness connector C 103 and terminal A in the right front turn and park lamp harness connector.

Is the repair complete?

--

System OK

--

8

Repair the open in CKT 15 (DK  BLU) between S223 and terminal D in the front chassis harness connector C 103.

Is the repair complete?

--

System OK

--

9

Connect a test lamp from CKT 16 (PPL) at the multifunction switch to chassis ground.

Does the test lamp light?

--

Go to Step 10

Go to Step 11

10

Replace the multifunction switch

Is the repair complete?

--

System OK

--

11

Connect a test lamp from CKT 16 (PPL) at the turn/hazard flasher to chassis ground.

Does the test lamp light?

--

Go to Step 12

Go to Step 13

12

Locate and repair the open in CKT 16 (PPL) between the turn/hazard flasher and the multifunction switch.

Is the repair complete?

--

System OK

--

13

Connect a test lamp between CKT 1540 (ORN) at the turn/hazard flasher to chassis ground.

Does the test lamp light?

--

Go to Step 14

Go to Step 15

14

Replace the turn/hazard flasher.

Is the repair complete?

--

System OK

--

15

Locate and repair the open in CKT 1540 (ORN) between the IP fuse block and the turn/hazard flasher.

Is the repair complete?

--

System OK

--