No Speedo
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Post Fiend
Joined: Dec 2006
Posts: 9,111
Likes: 3
From: Lexington Mo
No Speedo
Gonna start another thread.
The 79's speedometer hasn't worked since we bought it this last december. The natural/white plastic gear look's good. Teeth are slightly worn, but not concaved. Spinning the cable with a cordless drill, and the speedo works.
So what is in the transfer case that is killing the speedo?
79 F150, 4x4, auto, 400...
Bob
The 79's speedometer hasn't worked since we bought it this last december. The natural/white plastic gear look's good. Teeth are slightly worn, but not concaved. Spinning the cable with a cordless drill, and the speedo works.
So what is in the transfer case that is killing the speedo?
79 F150, 4x4, auto, 400...
Bob
Hotshot
Joined: Feb 2004
Posts: 11,697
Likes: 3
From: Marengo, Iowa
Put it up on jacks and make sure the speedo gear inside is turning. Then if you have a spare, put a drive cable into it and observe if it is spinning. If it is, hold on to it and see if it will still spin. Sometimes the gear strips out internally, and won't drive the cable.
