GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Inspect the circuit breaker P1-P3.

Is the circuit breaker open?

--

Go to Step 2

Go to Step 3

2

Repair a short to ground in circuit 3240.

Is the repair complete?

--

Go to Diagnostic System Check - Lighting Systems

--

3

Repair a poor connection or an open in circuit 3240 between the fuse block terminal P3 and S235.

Is the repair complete?

--

Go to Diagnostic System Check - Lighting Systems

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