1999 Ford F-150 speedometer

Tiny
SHALEAH
  • MEMBER
  • 1999 FORD F-150
Transmission problem
1999 Ford F150 V8 Two Wheel Drive Automatic 180th miles

had transm. Rebuilt and now my speedometer is going up to 100miles per hour and i'm only traveling 15miles per hour.- Changed the speed sensor 2 times without any change. What are we doing wrong. Triton v8 5.4 liter
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Sunday, February 22nd, 2009 AT 4:25 PM

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Tiny
DAVE H
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TEST G: SPEEDOMETER/ODOMETER INOPERATIVE
NOTE:After repair, clear DTCs and repeat self-test.

Turn ignition switch to OFF position. Connect New Generation Star (NGS) tester. Turn ignition switch to RUN position. Trigger instrument cluster active command SPDOMETER and scroll in increments of 5%. Observe speedometer. If speedometer increases in increments of 10 MPH for every 5%, speedometer is okay. Problem is in vehicle speed input circuit. See appropriate SELF-DIAGNOSTICS - EEC-V article in ENGINE PERFORMANCE. If speedometer does not increase in increments of 10 MPH for every 5%, go to next step.
Disconnect all instrument cluster connectors. Inspect connectors for corrosion and pushed out pins. Connect all instrument cluster connectors, ensuring they are connected correctly. Operate system and verify if concern is still present. If concern is still present, replace instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. If concern is not present, system is operating correctly at this time. Clear DTCs and repeat self-test.
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Sunday, February 22nd, 2009 AT 6:21 PM

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