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Washer Fluid Level Switch Test (With Tachometer)

WARNING: This page is about a different car, the 1994 Oldsmobile Eighty-Eight. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect washer fluid level switch connector. Turn ignition switch to RUN position. Using voltmeter, check voltage between washer fluid level switch connector terminal "B" (Black/White wire) and ground.
  2. If battery voltage is present, go to next step. If battery voltage is not present, check for open or short to ground in Black/White wire. Also check for poor connection at instrument cluster connector C1 terminal D11 (Black/White wire). If Black/White wire and instrument cluster connection are okay, proceed to INSTRUMENT CLUSTER GROUND  .
  3. Check voltage between washer fluid level switch connector terminals "B" (Black/White wire) and "A" (Black wire). If battery voltage is present, check for poor connections at washer fluid level switch. If connections are okay, replace washer fluid level switch. If battery voltage is not present, check for open in Black wire. Repair or replace as necessary.
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