Quote:
Originally Posted by MT65
Yes, checked that this morning, never had a wiper switch be the ground in the past, knowing that it was marginal when I drove home in a snow storm through most of eastern Oregon, I just ordered one of Newport Enginnering new ones. Do not want any issues in the future, and one more speed can’t hurt.
I had luckily kept the old harness and panel to check items like this, thanks for the help tho......
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On an OEM motor the wiper switch IS the ground. The yellow is power, the motor grounds THRU the switch. -
https://67-72chevytrucks.com/vboard/...d.php?t=695112
When the wiper switch is turned on, it completes the circuit to ground (the dash). -
http://67-72chevytrucks.com/vboard/s...d.php?t=413551