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Washer Fluid Level Switch Test

WARNING: This page is about a different car, the 1994 Pontiac Bonneville. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect washer fluid level switch connector. Turn ignition on. Measure voltage between switch connector terminal "B" (Black/White wire) and ground. If battery voltage is present, go to next step. If battery voltage is not present, check Black/White wire and connector for an open circuit or short to ground. If wire and connector are okay, replace IPC.
  2. Measure voltage between switch connector terminal "B" (Black/White wire) and "A" (Black wire). If battery voltage is present, check washer fluid level switch and connector. If switch and connector are okay, replace IPC. If battery voltage is not present, check Black wire for an open circuit.
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