Wipers only work on high
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
'87's likely the intermittent wiper governor.
It plugs between the switch and the harness.
These are a PITA to access, but they are up inside the dash above the fuse panel.
Some people have had luck re soldering the connections inside, but I didn't.
Search "wiper governor" and you'll come across many hits with this same symptom.
Good luck!
It plugs between the switch and the harness.
These are a PITA to access, but they are up inside the dash above the fuse panel.
Some people have had luck re soldering the connections inside, but I didn't.
Search "wiper governor" and you'll come across many hits with this same symptom.
Good luck!
Thread Starter
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Freshman User
Joined: Sep 2007
Posts: 35
Likes: 0
From: Va.
I do remember seein what looked like a plug between the switch plug & the harness plug. Would that be it?
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pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Your profile says '87.....
Yes, that's it!
Yes, that's it!
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Posting Guru
Joined: Jan 2008
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From: Trenton, MI
Don't this same problem for 79 F150?
if try in med speed it shut down motor and wiper would be stay up until I turn off it go back to bottom of window if I use High speed it work fine but try med or low nothing happened.
if try in med speed it shut down motor and wiper would be stay up until I turn off it go back to bottom of window if I use High speed it work fine but try med or low nothing happened.
Thread Starter
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Freshman User
Joined: Sep 2007
Posts: 35
Likes: 0
From: Va.
Ok so I got off friday & tore into it. The box is called a governor switch. The local store don't have them the the dealership wants $135. I can't see paying that since I rarely drive my truck. I wonder if it will pass inspection if the wipers only work on high?
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
I don't know a thing about inspection in VA.
As I said above you can open it up and re-solder the connections inside.(no guarantee on how long that will last)
OR, you can go to the autoparts and get a 2 speed control switch, put that in your dash and connect it directly to the harness leaving out the governor.
As I said above you can open it up and re-solder the connections inside.(no guarantee on how long that will last)
OR, you can go to the autoparts and get a 2 speed control switch, put that in your dash and connect it directly to the harness leaving out the governor.
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