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Home >> Jaguar >> 1988 >> XJ-SC >> Repair and Diagnosis >> Engine Performance >> Ignition System - LUCAS Electronic >> Testing >> Coil Operation Check
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Coil Operation Check

Connect a 12-volt test light to negative terminal of ignition coil. See Fig 1. Ground test light. Crank engine, but do not start. Test light should flicker slightly.

Fig 1: Checking Ignition Coil Operation
G29003Courtesy of JAGUAR CARS, INC.