GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Use a J 39200 Digital Multimeter (DMM) to check FUSE 41 for an open.

Is Fuse 41 open?

--

Go to Step 2

Go to Step 3

2

    • Use a J 39200 DMM to inspect CKT 440 from FUSE 41 terminal E2 to auxiliary power drop connector terminal A for a short to ground.
    • Replace FUSE 41.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

System OK

3

Use a J 39200 DMM in order to inspect FUSE 38 for an open.

Is FUSE 38 open?

--

Go to Step 4

Go to Step 5

4

  1. Use a J 39200 DMM to inspect CKT 43 from FUSE 38 terminal B2 to auxiliary power drop connector terminal B for a short to ground.
  2. Replace FUSE 38.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

System OK

5

  1. Set the ignition switch to RUN.
  2. Use a test lamp in order to backprobe between the auxiliary power drop connector terminal C and ground.

Does the test light illuminate?

--

Go to Step 6

Go to Step 10

6

  1. Set the ignition switch to OFF.
  2. Use a J 39200 DMM to inspect CKT 150 between the auxiliary power drop connector terminal C and S213 for an open.

Is there an open in CKT 150?

--

Go to Step 7

Go to Step 8

7

Repair the open in CKT 150.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

System OK

8

Use a J 39200 DMM in order to inspect CKT 150 between S213 and G205 for an open.

Is there an open in CKT 150?

--

Go to Step 9

Go to Step 10

9

Repair the open in CKT 150.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

System OK

10

Replace the auxiliary power drop connector. Refer to Power Accessory Port Replace - Front Floor Console for service procedure.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

System OK