spedometer and mile readout not working, auto matic trans going into gears hard

7.3Diesel · Sep 9, 2011

drove my PS today and spedometer and mile readout not working,and the auto matic trans going into gears hard there like clunking in? whats going on?

thanks

7.3Diesel · Sep 9, 2011

well guys who replaced the tranny before we bought it says its the speed sensor on top of the rear end differntal

DcMoore · Sep 9, 2011

Yes take it out and clean it..

ActionRick · Sep 9, 2011

7.3Diesel said:
well guys who replaced the tranny before we bought it says its the speed sensor on top of the rear end differntal

Its a cheap test . look at the wiring closely & also look for rust on the mounting surface for the VSS

7.3Diesel · Sep 9, 2011

thanks guys

7.3Diesel · Sep 13, 2011

A blown fuse was causing these issues.

DcMoore · Sep 13, 2011

Good to know... Which one?

MossBack · Sep 13, 2011

DcMoore said:
Good to know... Which one?

I think its number 8 ill double check but i pull it cuz It kills the door buzzer and I have from time to time didn't replace it. 15 amp and controls power door locks.

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