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Author Topic: wipers  (Read 3370 times)

Offline jt1200r

  • Newbie
  • Posts: 29
wipers
« on: August 17, 2011, 06:22:21 am »
when i turn the wipers off they stop. they dont return. what is the fix for this ? 87 r10 no intermitent
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87 R10 4.3

Offline topp

  • Frequent Member
  • **
  • Posts: 498
Re: wipers
« Reply #1 on: August 17, 2011, 10:24:50 am »
Either your wiper motor is toast or your wiper switch.
There is a troubleshooting schematic to determine which it is.....
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'90 Suburban TBI 350

Offline ehjorten

  • Senior Member
  • ****
  • Posts: 1242
Re: wipers
« Reply #2 on: August 18, 2011, 11:22:37 am »
The little wiper stop grounding switch that operates off of a cam on the main gear in the wiper motor is probably shot.  I couldn't see an easy way to fix this switch and ended-up buying a replacement motor.  In my '77 the cam lobe on the plastic gear wore a hole in the metal make-break contact switch.
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-Erik-
1991 V3500 - Gen V TBI 454, 4L80E, NP205, 14 bolt FF, D60, 8" Lift on 35s
1977 K20 Silverado - 350, THM350, NP203, 14 bolt FF, D44, Stock Lift on 31s
1969 Chevelle Malibu Sport Coupe - EFI350, THM350
1968 Chevrolet Step-side Pickup - 300HP L6

Offline jt1200r

  • Newbie
  • Posts: 29
Re: wipers
« Reply #3 on: August 18, 2011, 12:39:23 pm »
sounds like a new motor is on the way. thanks all.
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87 R10 4.3
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