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1989 Ford F900 7.8L Incorrect Calibration
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...
FIX posted 12/15/1999
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Message Closed w/FIX
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| VIN | 1FDYL90A6K |
| Engine | 7.8 L / 6 cyl |
| Affected | Incorrect Calibration |
| Conditions | Operational |
| Misc. | 3 Axle Flatbed Dump |
Message Closed w/FIX
Vehicle Data
1989 Ford F900
| VIN | 1FDYL90A6K |
| Engine | 7.8 L / 6 cyl |
| Affected | Incorrect Calibration |
| Conditions | Operational |
| Misc. | 3 Axle Flatbed Dump |