Turn Signal Indicator Inoperative - Left Side. GMC Truck GMC K Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Turn Signal Indicator Inoperative - Left Side

Step	Action	Value(s)	Yes	No
1	Was the instrument panel cluster (IPC) system check performed?	--	Go to Step 2	Go to Instrument Cluster System Check
2	Turn the ignition switch to the OFF position. Disconnect the cluster connector and remove the connector combs. Backprobe (to prevent damage to the terminal) with a test lamp between the LT BLU (14) cavity B1 to ground. Turn the ignition switch to the RUN position. Turn the left turn signal ON. Does the test lamp light?	--	Go to Step 3	Go to Turn Signal Lamps Inoperative
3	Inspect the turn signal bulb. If the bulb is OK replace the instrument cluster. Refer to Instrument Cluster Replacement Is the repair complete?	--	Go to Instrument Cluster System Check	--

Step

Action

Value(s)

Yes

Was the instrument panel cluster (IPC) system check performed?

Go to Step 2

Go to Instrument Cluster System Check

Turn the ignition switch to the OFF position.
Disconnect the cluster connector and remove the connector combs.
Backprobe (to prevent damage to the terminal) with a test lamp between the LT BLU (14) cavity B1 to ground.
Turn the ignition switch to the RUN position.
Turn the left turn signal ON.

Does the test lamp light?

Go to Step 3

Go to Turn Signal Lamps Inoperative

Inspect the turn signal bulb. If the bulb is OK replace the instrument cluster. Refer to Instrument Cluster Replacement

Is the repair complete?

Go to Instrument Cluster System Check