Ignition Coil

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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)

Courtesy of ISUZU MOTOR CO.