GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 Savana 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Side Marker Lamp Inoperative - One Lamp

Side Marker Lamp Inoperative - One Lamp 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

Is the left front side marker lamp inoperative?

--

Go to Step 3

Go to Step 8

3
  1. Remove the bulb from the left front side marker lamp connector.
  2. Connect a J 39200 between the LF side marker lamp connector, cavity B for CKT 150 (BLK) and ground.

Is continuity present?

--

Go to Step 4

Go to Step 5

4
  1. Connect an unpowered test lamp between the left front side marker lamp connector cavity A for CKT 9 (BRN) and ground.
  2. Place the headlamp/park switch in the park lamps position.

Does the test lamp light?

--

Go to Step 6

Go to Step 7

5

Repair the open in CKT 150 (BLK) between the left front side marker lamp connector and S110.

Is the repair complete?

--

Go to Exterior Lights System Check

--

6

Replace the left front side marker lamp bulb.

Is the repair complete?

--

Go to Exterior Lights System Check

--

7

Repair the open in CKT 9 (BRN) between S135 and the left front side marker lamp connector.

Is the repair complete?

--

Go to Exterior Lights System Check

--

8
  1. Remove the bulb form the right front side marker lamp connector.
  2. Connect a J 39200 between the RF side marker lamp connector cavity B for CKT 151 (BLK/WHT)

Is continuity present?

--

Go to Step 9

Go to Step 10

9
  1. Connect an unpowered test lamp between the right front side marker lamp connector cavity A for CKT 9 (BRN) and ground.
  2. Place the headlamp switch in the park lamps position.

Does the test lamp light?

--

Go to Step 11

Go to Step 12

10

Repair the open in CKT 151 (BLK/WHT) between the left front side marker lamp connector and S118.

Is the repair complete?

--

Go to Exterior Lights System Check

--

11

Replace the right front side marker lamp bulb.

Is the repair complete?

--

Go to Exterior Lights System Check

--

12

Repair the open in CKT 9 (BRN) between S135 and the right front side marker lamp connector.

Is the repair complete?

--

Go to Exterior Lights System Check

--

Side Marker Lamp Inoperative - One Lamp 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

Is the left front side marker lamp inoperative?

--

Go to Step 3

Go to Step 8

3
  1. Remove the bulb from the left front side marker lamp connector.
  2. Connect a J 39200 DMM between the left front side marker lamp connector cavity B for CKT 150 (BLK) and ground.

Is continuity present?

--

Go to Step 4

Go to Step 5

4
  1. Connect an unpowered test lamp between the left front side marker lamp connector cavity A for CKT 9 (BRN) and ground.
  2. Place the headlamp/park switch in the park lamps position.

Does the test lamp light?

--

Go to Step 6

Go to Step 7

5

Repair the open in CKT 150 (BLK) between the left front side marker lamp connector and S110.

Is the repair complete?

--

Go to Exterior Lights System Check

--

6

Repair the left front side marker lamp bulb.

Is the repair complete?

--

Go to Exterior Lights System Check

--

7

Repair the open in CKT 9 (BRN) between S135 and the left front side marker lamp connector.

Is the repair complete?

--

Go to Exterior Lights System Check

--

8
  1. Remove the bulb from the right front side marker lamp connector.
  2. Connect a J 39200 DMM between the left front side marker lamp connector cavity B for CKT 151 (BLK) and ground.

Is continuity present?

--

Go to Step 9

Go to Step 10

9
  1. Connect an unpowered test lamp between the right front side marker lamp connector cavity A for CKT 9 (BRN) and ground.
  2. Place the headlamp switch in the park lamps position.

Does the test lamp light?

--

Go to Step 11

Go to Step 12

10

Repair the open in CKT 151 (BLK/WHT) between the left front side marker lamp connector and S118.

Is the repair complete?

--

Go to Exterior Lights System Check

--

11

Repair the right front side marker lamp bulb.

Is the repair complete?

--

Go to Exterior Lights System Check

--

12

Repair the open in CKT 9 (BRN) between S135 and the right front side marker lamp connector.

Is the repair complete?

--

Go to Exterior Lights System Check

--