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Ignition Coil

Turn ignition off. Disconnect ignition coil wiring. Measure primary, secondary and insulation resistance. See Fig 1. See IGNITION COIL RESISTANCE  table.

IGNITION COIL RESISTANCE

Application Ohms
Primary
Impulse 1.13-1.53
Pickup (Carbureted) 1.20-1.40
Pickup (EFI) .81-.99
Trooper II .90
Secondary
Impulse 10,200-13,800
Pickup (Carbureted) 8600-13,000
Pickup (EFI) 7500-11,300
Trooper II 9400
Insulation (1) (All Models) More Than 10,000
(1) Measured between primary terminal and outside of coil.
Fig 1: Ignition Coil Terminal Identification (Except Impulse)
G94238Courtesy of ISUZU MOTOR CO.