1967 Impala wipers - Impala Tech
Troubleshooting Diagnosing problems

 
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post #1 of 5 (permalink) Old 02-22-2016, 04:58 PM Thread Starter
 
 
Join Date: Jul 2013
Location: Australia
Posts: 13
 
1967 Impala wipers

The wipers on my 67 are not switching off correctly. Everything works fine until you turn the switch on the dash off, then they return to their park position and start 'jumping around' at the bottom of the windscreen for a few minutes before finally stopping in the correct position.

Any ideas what the problem is?
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post #2 of 5 (permalink) Old 02-22-2016, 05:17 PM
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Join Date: Jan 2006
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The plastic cancel cam is broken or out of place. They are designed to park as opposed to your trying to time when to turn them off the way it was back in the days of vacuum wiper motors (ya I'm that old!).

The wiper motors are rebuildable and parts can be found at NAPA.

Big Dave
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post #3 of 5 (permalink) Old 02-23-2016, 11:06 PM Thread Starter
 
 
Join Date: Jul 2013
Location: Australia
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Thanks Dave. Maybe you could also help with another electrical problem... when I have the high beam headlights on, all 4 of my headlights (including the low beams) switch on and off intermittently while driving down the road. Where would be the first place to start looking? Old connections, or something more like too much drain on the battery? Just running low beams is no problem.

Thanks
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post #4 of 5 (permalink) Old 02-24-2016, 07:43 AM
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Location: Fort Worth Texas
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swap out your dimmer switch cheap and easy.
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post #5 of 5 (permalink) Old 02-24-2016, 09:01 AM
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Lot of current goes through that switch. I doubt if you will find one as high a quality as the one GM initially installed in your car as they don't make them as well today as back then. GM used a beryllium copper alloy for the points and silicon steel springs to resist heat fatigue. Doubt if such effort goes into parts made in the bad part of Asia or Paki standing around looking for work.

Big Dave
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