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1997 F350 Wipers

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Old Oct 20, 2018 | 12:36 PM
  #1  
Cancotree's Avatar
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Default 1997 F350 Wipers

Hi All. Got an issue with a truck. Hoping for a little help. I just picked up the truck dirt cheap because it has some small issues. Trying to straighten them out. Problem Im having now is diagnosing the wipers. They wont do anything. Where should I start? Under dash fuse is good. Thanks for any help
 
Old Oct 20, 2018 | 01:04 PM
  #2  
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If the washers work and wipe, it would show the wiper motor is capable of working and possible switch problem.
If you get nothing there, you might confirm power is getting to the wiper motor AND that it has a good ground connection. One of the mounting bolts makes the ground. You might also make sure the sheet metal of the cab/body has a good ground available. Usually if still nothing , you could be looking at a rebuilt wiper motor assy. Most auto supply stores carry them.
 
Old Oct 20, 2018 | 01:39 PM
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Ok. I’ll start with the power. There’s 6 wires in the plug for the wipers. Anysuggestions on which it should be for power?
 
Old Oct 20, 2018 | 03:45 PM
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From the info I was able to find,
POWER=DARK GREEN
GROUND= BLK
LO SPEED=DARK BLUE/ORANGE
HI SPEED= WHITE
You can check the relays in the power distribution box under the hood if you have no power to the motor.
 
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