Speedo goin crazy,,,,
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Lead Driver
Joined: Jun 2006
Posts: 5,654
Likes: 979
From: Near Yosemite CA
Speedo goin crazy,,,,
Ok, on my 77 F-150 4x4, 4sp we went out cutting wood, had it in 4 low the majority of the time, backing up pulling logs up the side, on the way home the speedo in erratically bouncing ALL over,,, 0 to past 100 to 20 to 80 etc.
Odometer works fine, once I am up to about 40 or 50 it kinda settles down. Do I need to find a new speedo?
Odometer works fine, once I am up to about 40 or 50 it kinda settles down. Do I need to find a new speedo?
Postmaster
Joined: Aug 2000
Posts: 3,312
Likes: 1
From: Eldorado Ca. USA
Originally Posted by Pickupmanx2
Ok, on my 77 F-150 4x4, 4sp we went out cutting wood, had it in 4 low the majority of the time, backing up pulling logs up the side, on the way home the speedo in erratically bouncing ALL over,,, 0 to past 100 to 20 to 80 etc.
Odometer works fine, once I am up to about 40 or 50 it kinda settles down. Do I need to find a new speedo?
Odometer works fine, once I am up to about 40 or 50 it kinda settles down. Do I need to find a new speedo?
Senior User
Joined: Feb 2002
Posts: 378
Likes: 0
From: USA
Mine has been doing this same thing for about 5yrs, only does it about 2-3 times a yr, usually when its real cold. Sometimes it does it for a few miles, sometimes just once or twice. Lubing the cable did not help mine(was my 1st diagnosis). I pulled the cluster out a coupla months back & replaced the crusty plastic(light bulbs were falling out), & I put one drop of sewing machine oil on the speedo after cleaning it. It hasn't done it since but it hasn't gotten cold yet either.
