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1989 Ford F900 7.8L Incorrect Calibration
Posted to Ford Miscellaneous on 6/12/1999

speedometer electronic ametek with 10 rocker switches. Tires are 41 inches in diameter, RA ratio 4.56, I have the calibration chart. Speed reads 2-3 times {guess} fast, also shows a reading when backing up. Before I reset the switches the speedometer wa...

 
Message Closed w/FIX

car Vehicle Data

1989 Ford F900

VIN 1FDYL90A6K
Engine7.8 L / 6 cyl
AffectedIncorrect Calibration
ConditionsOperational
Misc.3 Axle Flatbed Dump
Message Closed w/FIX

car Vehicle Data

1989 Ford F900

VIN 1FDYL90A6K
Engine7.8 L / 6 cyl
AffectedIncorrect Calibration
ConditionsOperational
Misc.3 Axle Flatbed Dump