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95 f150 the speedometer works but doesnt stay on the right speed. What does this mean

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Old 04-08-2019, 05:17 PM
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Default 95 f150 the speedometer works but doesnt stay on the right speed. What does this mean

My 95 f150s speedometer works but jumps all over the place driving down the road. It's an electric speedo what do I do.
Old 04-08-2019, 05:23 PM
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I would start by checking fuse 18. If that’s good check the speed sensor, IIRC it’s on the rear diff, unplug and look for corrosion.
Old 04-08-2019, 06:24 PM
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Default Fuses

# 18 fuse is good and no corrosion on the speed sensor.
Old 04-08-2019, 06:27 PM
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I just found this, hope it helps Speedo fix
Old 04-08-2019, 10:06 PM
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Read the TSB in this caption:


(phone app link)



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