Thread: Wiper switch
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Old 02-19-2024, 01:36 AM   #1
ShinyC10
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Join Date: Jun 2012
Location: Houston, TX
Posts: 295
Wiper switch

After rewiring the truck, I ended up with only one issue. The wipers only work in “low”. Test I don’t care if the intermittent works, as long as low and high works. When “low” is on, I show 12-14v depending on the truck being on. When I try to turn them on “high”, they stop moving all together. Multimeter shows 12-14v still on the “low” side and 2-5v on the “high” side. Also, I’m showing 12-14v inside the cab at the fuse and 2-5v in the engine bay at the firewall so I assume the issue is in the switch? Pump for the washer fluid works too. Everything was pretty much plug n play with the AAW harness and I didn’t remove the column from the truck.
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