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For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Safari - 4WD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Turn Signal Indicators Inoperative

Turn Signal Indicators 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

Determine which turn signal indicator is inoperative.

Is the left turn signal indicator inoperative?

--

Go to Step 3

Go to Step 6

3
  1. Disconnect the instrument cluster.
  2. Place the ignition switch in the RUN position.
  3. Place the turn signal switch to the side of the inoperative indicator.
  4. Use a test lamp in order to probe the wire of the turn signal indicator at the instrument cluster connector CKT 14 (LT BLU) to ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

4

Repair or replace the instrument cluster as necessary. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Is the repair complete?

--

Go to Step 8

--

5

Repair the open in CKT 14 (LT BLU) between the instrument cluster and splice S211.

Is the repair complete?

--

Go to Step 8

--

6
  1. Place the turn signal switch to the right side inoperative indicator.
  2. Use a test lamp in order to probe the wire of the right turn signal indicator at the instrument cluster connector CKT 15 (DK BLU) to ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 7

7

Repair the open in CKT 15 (DK BLU) between the instrument cluster and splice S212.

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

Turn Signal Indicators 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 GAUGES Fuse at the I/P Fuse Block.

Is the fuse operational?

--

Go to Step 4

Go to Step 3

3

Locate and repair overload and replace GAUGES Fuse.

Is the repair complete?

--

Go to Step 11

--

4
  1. Disconnect Instrument Cluster.
  2. Place Ignition Switch in RUN position and Turn Signal Switch to the side of the inoperative indicator at the Instrument Cluster Connector. Connect a test lamp from the following two CKT's to ground:
    • CKT 14 (LT BLU) wire (LH)
    • CKT 15 (DK BLU) wire (RH)

Does the lamp flash with Turn Signal?

--

Go to Step 7

Go to Step 5

5

Does Test lamp flash with inoperative LEFT Turn Signal?

--

Go to Step 6

Go to Step 8

6

Does Test lamp flash with inoperative RIGHT Turn Signal?

--

Go to Step 11

Go to Step 9

7

Replace Instrument Cluster Instrument Cluster Replacement .

Is the repair complete?

--

Go to Step 11

--

8

Locate and repair open in CKT 14 (LT BLU) wire between Instrument Cluster and Splice S211.

Is the repair complete?

--

Go to Step 11

--

9

Locate and Repair open in CKT 15 (DK BLU) wire between Instrument Cluster and Splice S212.

Is the repair complete?

--

Go to Step 11

--

10

Repair open in CKT 750 (BLK) wire between Insturment Panel and G110.

Is the repair complete?

--

Go to Step 11

--

11

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 2