GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Wiper/Washer System Check performed?

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Go to Step 2

Go to Wiper/Washer System Check

2

  1. Disconnect the windshield wiper/washer switch connector C200.
  2. Place the windshield wiper switch in the LO position.
  3. Connect a J 39200 between cavity E5 for CKT 96 (GRY) and cavity E4 for CKT 93 (YEL) at the windshield wiper/washer switch.

Is the resistance near or equal to the specified value?

680 ohms

Go to Step 3

Go to Step 5

3

With J 39200 still connected, move the windshield wiper/washer switch through the delay range to the maximum delay position while observing the meter.

Do the readings increase in steps to the approximate value?

430 k ohms

Go to Step 4

Go to Step 5

4

  1. Repair the open in CKT 96 (BRN) or CKT 143 (YEL) between the wiper/washer switch connector and the windshield wiper motor module.
  2. If the wires are OK, replace the windshield wiper motor module.

Is the repair complete?

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Go to Wiper/Washer System Check

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5

Replace the windshield wiper/washer switch.

Is the repair complete?

--

Go to Wiper/Washer System Check

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