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Home >> Chevrolet >> 1987 >> Chevette 2D Hatchback, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems - Front Rectangular Wiper Motor >> Testing >> Wiper System >> Testing System With Motor On Car
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Testing System With Motor On Car

  1. If wiper is inoperative or intermittent, check for an open circuit in feed wire (terminal "2" on motor), loose mounting of wiper switch, defective switch or open circuit in wire to wiper switch (terminal "1" on motor).
  2. If wiper will not shut off, but has both "LO" and "HI" speeds, check for a grounded wire (terminal "1" on motor) leading to wiper switch.
  3. If wiper continuously operates on "LO" or "HI" speed, check for a defective wiper switch or open circuit in wire (terminal "3" on motor) to wiper switch.
  4. If wiper blades do not return to full park position, check for loose wiper ground strap connection. If wiper shuts off with blades in wipe area, check adjustment of crank arm to linkage. Also check crank arm for possible incorrect application.
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