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No speedo OD light flashing

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Old 04-04-2013, 12:03 AM
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Default No speedo OD light flashing

I have a 1994 f150 and my speedo took a crap along with my odometer. I've replaced all fuses and vss. I've also bought a brand new cluster but still nothing is working. My abs light stays on all the time and my overdrive light flashes. The truck has a brand new e4od. Any help? Thanks.
Old 04-04-2013, 05:44 AM
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VSS most likely.
Nevermind, just reread your post, was the gear still good? Maybe try using a drill to spin the drive, and have somebody watch the speedo.

Last edited by Atomic Monkey; 04-04-2013 at 05:58 AM. Reason: missed something in the post
Old 04-04-2013, 01:28 PM
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His is electric. The wires to the VSS are known to go bad.
Old 04-04-2013, 08:56 PM
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Thanks, just learned something new! And looking into it, I was reading that the ABS and speedo read off the same sensor in the rearend! Originally I was thinking of the gear driven sensor that didn't have a cable.
Old 04-05-2013, 12:38 AM
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How could I tell without ripping the wiring apart? Test light?
Old 04-05-2013, 04:28 AM
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Check continuity in the wires.

Last edited by Just call me Sean; 04-05-2013 at 04:31 AM.
Old 06-18-2013, 04:00 PM
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I have a 94 doing the same thing. Any luck on repairing issue?



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