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To fix the tachometer on a 1999 Isuzu Trooper, first check the vehicle’s fuses to ensure none are blown. If the fuses are fine, inspect the wiring and connections at the tachometer and the engine’s ignition system, as loose or damaged wires can cause issues. Additionally, consider testing the tachometer with a multimeter to see if it’s receiving a signal. If these steps don’t resolve the issue, the tachometer may need to be replaced.

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5mo ago

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