GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perfom the Cigar Lighter/Auxiliary Outlets System Check?

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Go to Step 2

Go to Cigar Lighter/Auxiliary Outlets System Check

2

  1. Connect a test lamp from CKT 640 (ORN) at the cigar lighter to ground.
  2. Depress the cigar lighter.

Did the test lamp light?

--

Go to Step 4

Go to Step 3

3

Locate and repair the open or high resistance in CKT 640 (ORN) between the IP fuse block and the cigar lighter.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

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4

  1. Connect the test lamp from CKT 640 (ORN) to CKT 1050 (BLK) at the cigar lighter.
  2. Depress the cigar lighter.

Did the test lamp light?

--

Go to Step 5

Go to Step 6

5

Replace the cigar lighter.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

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6

Locate and repair the open or high resistance in CKT 1050 (BLK) between the cigar lighter and ground.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

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