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Discussion Starter · #1 ·
I have a 03 tundra,

yesterday the windshield wipers decided they don't want to work. no signs, no smells. just the switch wouldn't do anything. I also noticed the horn won't operate either.

The wiper and horn fuse's inside the truck are fine, I'm thinking now a relay(s) must have failed. I know the relay/fuse box cover (inside the engine compartment) has some form of identification of each relay/fuse...but not a very helpful one..

so uh,.... does anyone know which relay I need to look at/change out?.

fortunately, the weather has been great... otherwise, wipers are kind of imperative to have around here :eek:
 

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Discussion Starter · #2 ·
A while ago I tested the wiper switch for continuity, switch tested well at all positions.
I unhooked the harness to jumper 12 volts to the motor, motor operates well.

At this point I hit a brick wall. Unless somebody smarter than me can chime in....anytime :eek:
 
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