GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition switch to the ON position.
  2. Disconnect the inoperative back-up lamp connector.
  3. Place the transaxle in the REVERSE position.
  4. Connect the test lamp between terminal A of the back-up lamp harness connector and ground.

Does the test lamp light?

--

Go to Step 2

Go to Step 3

2

Connect the test lamp between terminal A and terminal G (C-Chevrolet) of the inoperative back-up lamp harness connector.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

3

Repair the open in CKT 24 between splice S400 and the inoperative back-up lamp. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Backup Lamp System Check

--

4

Replace the inoperative back-up lamp or connector.

Is the repair complete?

--

Go to Backup Lamp System Check

--

5

Repair the open in CKT 150 between the inoperative back-up lamp and S330. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Backup Lamp System Check

--