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1978 Chevy Blazer Windshield wipers

Tiny
ADRIANNE323
  • MEMBER
  • 1978 CHEVROLET BLAZER
Electrical problem
1978 Chevy Blazer V8 Four Wheel Drive Automatic 100k+ miles

my windshield wipers come on when I turn on the ignition, I hit the wiper switch but then 20-25 seconds later they come on again, this happens over and over, I have replaced the switch twice, replaced the fuse and finally replaced the wiper motor itself but this has not fixed the problem.
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Wednesday, December 3rd, 2008 AT 10:17 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi:
It sounds like a switch problem or a short in the steering column. You'll need to remove the steering wheel and part of the column to try and find it.

Joe
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Thursday, December 4th, 2008 AT 4:41 PM
Tiny
ADRIANNE323
  • MEMBER
  • 2 POSTS
The wiper switch is not on the steering column, it is in the dash and since I have been through two switches I doubt it is a problem with the switch.
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Thursday, December 4th, 2008 AT 4:46 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi:
Sorry about that, I was thinking it was a newer S10. Regardless, there has to be a short at some point. Check the wires near the firewall that run to the wiper motor.

Again, sorry about that.
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Thursday, December 4th, 2008 AT 6:27 PM

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