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Home >> Volvo >> 1988 >> 760 Turbo, AW71L >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH LH (Turbo) >> Fuel System Inspection >> Components/Wiring >> Check engine speed signal from ignition system control unit

Check engine speed signal from ignition system control unit

Connect tachometer between ground and terminal 1. Operate starter motor. Tachometer should show engine speed.

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