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Home >> Ford >> 1988 >> Bronco II 4WD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - DURA-Spark II >> Testing >> Start Circuit

Start Circuit

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  1. Connect Spark Tester (D81P-6666-A) between ignition coil wire and a good engine ground. Crank engine using vehicle's ignition switch. If no sparks occur at tester gap, proceed to step 2). If sparks occur at tester gap, proceed to RUN CIRCUIT  check.
  2. Inspect ignition coil for damage or carbon tracking. Crank engine to verify distributor rotation and proceed to VOLTAGE SUPPLY CIRCUITS test.
Fig 1: Spark Tester Hook-Up
G12845Courtesy of FORD MOTOR CO.
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