GM Service Manual Online
For 1990-2009 cars only

Auxiliary Outlets Inoperative Power Drop Connector

Step

Action

Value(s)

Yes

No

1

Check the POWER DROP fuse.

Is the POWER DROP fuse open?

--

Go to Step 2

Go to Step 3

2

Repair short to ground in circuit 643.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

3

Check the CIGAR LTR fuse.

Is the CIGAR LTR fuse open?

--

Go to Step 4

Go to Step 5

4

Repair short to ground in circuit 2540.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

5

  1. Turn the ignition switch to accessory or on.
  2. Using a test light, connect between the power drop connector terminal B and ground.

Is the test light on?

--

Go to Step 7

Go to Step 6

6

Repair poor connection or open in circuit 643.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

7

Using a test light, connect between the power drop connector terminals B and C.

Is the test light on?

--

Go to Step 9

Go to Step 8

8

Repair poor connection or open in circuit 1450 between the power drop connector terminal C and G200.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

9

Using a test light, connect between the power drop connector terminals A and C.

Is the test light on?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

Go to Step 10

10

Repair open or poor connection in circuit 2540.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

Auxiliary Outlets Inoperative Accessory Power Receptacle

Step

Action

Value(s)

Yes

No

1

Check the CIGAR LTR fuse.

Is the CIGAR LTR fuse open?

--

Go to Step 2

Go to Step 3

2

Repair short to ground in circuit 2540.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

3

Using a test light, connect between the accessory power receptacle terminal A and ground.

Is the test light on?

--

Go to Step 5

Go to Step 4

4

Repair poor connection or open in circuit 2540.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

5

Using a test light, connect the between the accessory power receptacle terminal A and terminal B.

Is the test light on?

--

Go to Step 7

Go to Step 6

6

Repair poor connection or open in circuit 1450.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

7

Connector a known good accessory to the accessory power receptacle.

Does the accessory power receptacle operate?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

Go to Step 8

8

Replace the accessory power receptacle. Refer to Floor Console Accessory Power Receptacle Replacement in Instrument Panel, Gauges and Console.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--