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HOMESERVICE MANUALSGMC1996SAVANA SPECIAL 6.5 YREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 65 (WIPER SYSTEM AND WASHER SYSTEM - P SERIES VANS)TESTINGWIPERS DO NOT OPERATE IN HI
1996 GMC Savana Special 6.5 Y

Wipers Do Not Operate In Hi

1996 GMC Savana Special 6.5 YSECTION Wipers Do Not Operate In Hi
WARNING: This page is about a different car, the 1996 GMC Vandura, 1996 GMC Forward Control, 1996 Chevrolet Forward Control, and 1996 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch to RUN position. Turn wiper switch to HI position. Using a DVOM, backprobe from Purple wire terminal of wiper switch connector to battery voltage. See Figure . If voltage is more than 10 volts, go to next step. If voltage is less than 10 volts, replace wiper switch.
  2. Backprobe from Purple wire terminal of pulse wiper control module connector to battery voltage. If voltage is more than 10 volts, repair open Purple wire between pulse wiper control module connector and wiper motor connector. If voltage is less than 10 volts, replace pulse wiper control module.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.