Speedometer crazy!

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TJ marcus

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Apr 14, 2021
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Location
Lyman, South Carolina, 29365, USA
Ram Year
94
Engine
5.9
2002 Ram1500 The weird thing is, while sitting still I can press the e-brake pedal up and down and the speedometer will jump up to 25mph or higher. Also it happens when applying the foot brake and sitting still. sometimes sitting at a light it will be reading 2-3 mph or higher. Any ideas?
 

aszumilo

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Dec 9, 2023
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Location
Las Vegas
Ram Year
2011
Engine
Hemi 5.7
@TJ marcus Could be the speed sensor that is in the rear differential. Had mine go bad in my 04. Speedo and tach would jump around. Replaced it and problem solved. Took all of 10 minutes to swap it out.
 
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