GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire Exterior Lights System Check performed?

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Go to Step 2

Go to Exterior Lights System Check

2

Check the appropriate fuse in the rear fuse block for an open:

    • LH: LP PK L Fuse
    • RH: LP PK R Fuse

Is the fuse OK?

--

Go to Step 3

Go to Step 4

3

Replace the rear fuse block.

Is the rear fuse block replacement complete?

--

Go to Exterior Lights System Check

--

4

Repair the short to ground in the appropriate circuit:

    • LH: CKT 709 (PPL)
    • RH: CKT 309 (BRN/WHT)

Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Step 5

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5

Replace the appropriate fuse in the rear fuse block:

    • LH: LP PK L Fuse
    • RH: LP PK R Fuse

Is the fuse replacement complete?

--

Go to Exterior Lights System Check

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