GM Service Manual Online
For 1990-2009 cars only

Turn Signal Lamp Inoperative - Right Side Front Domestic

Step

Action

Value(s)

Yes

No

DEFINITION: The right front turn signal is inoperative, but the left front turn signal, the front park lamps, and rear turn signals are operating correctly.

1

Review the turn signal operation and perform the necessary inspections.

Did you complete the system review and inspection?

--

Go to Step 2

Go to Symptoms

2

Attempt to operate the right turn signal.

Does the system operate normally?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Visually and physically inspect the right front turn signal bulb.
  2. Replace the lamp bulb if it is defective.

Did you replace the lamp bulb?

--

Go to Step 5

Go to Step 4

4

Repair the open CKT 15 (DK BLU) between splice S237 and the right front park and turn signal lamp connector.

Did you complete the repair?

--

Go to Step 5

--

5

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3

Turn Signal Lamp Inoperative - Right Side Front Export

Step

Action

Value(s)

Yes

No

DEFINITION: The right front turn signal is inoperative, but the left front turn signal, and rear turn signals are operating correctly.

1

Review the turn signal operation and perform the necessary inspections.

Did you complete the system review and inspection?

--

Go to Step 2

Go to Symptoms

2

Attempt to operate the right turn signal.

Does the system operate normally?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Visually and physically inspect the right front turn signal bulb.
  2. Replace the lamp bulb if it is defective.

Did you replace the lamp bulb?

--

Go to Step 7

Go to Step 4

4

  1. Remove the inoperative bulb.
  2. Test continuity between ground and the ground cavity of the lamp connector.

Did the test incidate continuity?

--

Go to Step 6

Go to Step 5

5

Repair the open CKT 250 (BLK).

Did you complete the repair?

--

Go to Step 7

--

6

Repair the open CKT 15 (DK BLU) between splice S237 and the right front turn signal lamp connector.

Did you complete the repair?

--

Go to Step 7

--

7

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3