GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Connect a test lamp from CKT 240 (ORN) at the cigar lighter harness to chassis ground.

Did the test lamp light?

--

Go to Step 2

Go to Step 3

2

Connect a Digital Multimeter (DMM) from CKT 250 (BLK) at the cigar lighter connector harness to chassis ground.

Does the DMM indicate continuity?

--

Go to Step 5

Go to Step 4

3

Locate and repair the open in CKT 240 (ORN) between the cigar lighter and the IP fuse block. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

System OK

--

4

Locate and repair the open in CKT 250 (BLK) between the cigar lighter and chassis ground. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

System OK

--

5

Replace the cigar lighter.

Is the repair complete?

--

System OK

--