GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Century (China) (CNG) 🢒 Body and Accessories 🢒 Doors 🢒 Power Window Lockout Function Inoperative

Step

Action

Value(s)

Yes

No

1
  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the left front window switch harness connector.
  3. Using a test light backprobe between the left front window switch harness connector C2 terminal A and ground.

Does the test light illuminate?

--

Go to Step 3

Go to Step 2

2

Replace the left front window switch.

Refer to Front Side Door Window Switch Replacement

Has the repair been completed?

--

Go to Power Windows System Check

--

3

Repair short to B+ in circuit 1307.

Has the repair been completed?

--

Go to Power Windows System Check

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