GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Power Window System Check performed?

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Go to Step 2

Go to Power Windows System Check

2

  1. Locate a short to B+ in circuit M1, M3, M4, or M5.
  2. Repair a short to B+ in circuit M1, M3, M4, or M5.
  3. If these circuits are OK, replace the LH front side door window switch. Refer to Window Switch Replacement - Console Power Window Switch Replacement - Console Mounted in Instrument Panel, Gauges and Console.

Is the replacement complete?

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Go to Step 3

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3

  1. Connect the disconnected connectors.
  2. Verify that the power windows operate properly.

Do all of the power windows operate properly?

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System OK

Go to Step 1