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Bench Test

Remove instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION. Measure resistance between speedometer terminals. See Fig 1. Ensure resistance is as specified between appropriate terminals. See SPEEDOMETER RESISTANCE  table. If resistance is not as specified, replace speedometer.

SPEEDOMETER RESISTANCE

Terminals Ohms
A & B 140-185
C & D 130-175
Fig 1: Identifying Speedometer Terminals
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