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For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 Savana 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Turn Signal Lamps Inoperative - Left Side Rear

Turn Signal Lamps Inoperative - Left Side Rear Domestic

Step

Action

Value(s)

Yes

No

1

Was the Exterior Lights System Check performed?

--

Go to Step 2

Go to Exterior Lights System Check

2
  1. Remove the bulb from the left rear park and turn signal lamp connector.
  2. Connect a J 39200 DMM between the left rear park and turn signal lamp connector, cavity G for CKT 150 (BLK), and ground.

Is continuity present?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 150 (BLK) between the left rear park and turn signal lamp connector and ground G400.

Is the left rear park and turn signal lamp operative?

--

Go to Exterior Lights System Check

Go to Step 4

4
  1. Place the ignition switch in the RUN position.
  2. Place the turn signal switch in the left turn position.
  3. Connect an unpowered test lamp between the left rear park and turn signal lamp connector, cavity A for CKT 14 (LT BLU), and ground.
  4. Place the headlamp switch in the park lamps position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5

Replace the left rear park and turn signal lamp bulb.

Is the left rear park and turn signal lamp operative?

--

Go to Exterior Lights System Check

Go to Step 6

6

Repair the open in CKT 14 (LT BLU) between splice S236 and the left rear park and turn signal lamp connector.

Is the left rear park and turn signal lamp operative?

--

Go to Exterior Lights System Check

--

Turn Signal Lamps Inoperative - Left Side Rear Export

Step

Action

Value(s)

Yes

No

1

Was the Exterior Lights System Check performed?

--

Go to Step 2

Go to Exterior Lights System Check

2
  1. Remove the bulb from the left rear turn signal lamp connector.
  2. Connect a J 39200 DMM between the left rear turn signal lamp connector cavity G for CKT 150 (BLK) and ground.

Is continuity present?

--

Go to Step 4

Go to Step 3

3

Locate and repair the open in CKT 150 (BLK) between the following components:

  1. The left rear turn signal lamp connector
  2. Ground G400

Is the repair complete?

--

Go to Exterior Lights System Check

--

4
  1. Place the ignition switch in the RUN position.
  2. Place the turn signal switch in the left turn position.
  3. Connect an unpowered test lamp between the left rear turn signal lamp connector cavity A for CKT 14 (LT BLU) and ground.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5

Replace the left rear turn signal lamp bulb.

Is the repair complete?

--

Go to Exterior Lights System Check

--

6

Locate and repair the open in CKT 14 (LT BLU) between the following components:

    • Splice S236
    • The left rear turn signal lamp

Is the repair complete?

--

Go to Exterior Lights System Check

--