GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Disconnect LF window switch connector C2.
  2. Using a test light, backprobe between LF Window Switch harness connector C2 terminal A and ground.

Is the test light on?

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Go to Step 3

Go to Step 2

2

Replace LF window switch. Refer to Door Lock and Side Window and Outside Rearview Mirror Remote Control Switch Replacement

Is the repair complete?

--

Go to Power Windows System Check

--

3

Repair short to B+ in circuit 1307.

Is the repair complete?

--

Go to Power Windows System Check

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