GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check the FRT PARK LPS Fuse for an open.

Is the FRT PARK LPS Fuse open?

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Go to Step 3

Go to Step 2

2

  1. Turn the headlamp switch to the PARK position.
  2. Using a test lamp, backprobe between the underhood accessory wiring junction block harness connector C2 terminal E5 and ground.

Is the test lamp on?

--

Go to Step 3

Go to Step 4

3

Repair poor connection or open in circuit 9 between the fuse block terminal H6 and the underhood accessory wiring junction block harness connector C2 terminal E5.

Is the repair complete?

--

Go to Exterior Lights System Check

--

4

Replace the underhood accessory wiring junction block. Refer to Underhood Fuse Block Replacement in Engine Electrical for service procedure.

Is the repair complete?

--

Go to Exterior Lights System Check

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