Wipers Inoperative - All Modes
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Wipers Inoperative - All Modes
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Wiper/Washer System Schematics Connector End View Reference: Wiper/Washer System Connector End Views DEFINITION: Wipers are inoperative in all modes. |
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| 1 | Did you perform the Wiper/Washer System Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Wiper/Washer Systems |
| 2 |
|
Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
| 3 | Do the windshield wipers operate in any mode? | Go to Wipers Inoperative - One or More Modes | Go to Step 4 |
| 4 |
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Go to Step 9 | Go to Step 5 |
| 5 |
|
Go to Step 6 | Go to Step 7 |
| 6 | Connect a test lamp from battery positive voltage to the windshield wiper motor ground circuit terminal in the windshield wiper motor harness connector. Does the test lamp illuminate? |
Go to Step 11 | Go to Step 8 |
| 7 | Repair the accessory voltage supply circuit to the windshield wiper motor for an open or short to ground. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Is the repair complete? |
Go to Step 13 | - |
| 8 | Repair the windshield wiper motor ground circuit for an open or high resistance. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Is the repair complete? |
Go to Step 13 | - |
| 9 | Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 13 | Go to Step 10 |
| 10 | Replace the windshield wiper/washer switch. Refer to Multifunction, Turn Signal Switch Replacement
in Steering Wheel and Column. Did you complete the replacement? |
Go to Step 13 | - |
| 11 | Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 13 | Go to Step 12 |
| 12 | Replace the windshield wiper motor. Refer to Wiper Motor Replacement . Did you complete the replacement? |
Go to Step 13 | - |
| 13 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 4 |