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Home >> Chevrolet >> 1999 >> Suburban C2500, 7.4 J >> Repair and Diagnosis (Single Page) >> Engine Performance >> Specifications >> Engine Controls - Service & Adjustment Specifications >> Ignition System >> Ignition Coil
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Ignition Coil

IGNITION COIL RESISTANCE

Application Ohms
1.6L, 2.0L, 2.2L & 3.4L (1)
4.3L, 5.0L, 5.7L & 7.4L
Primary 0.1
Secondary 5000-25,000
4.8L, 5.3L & 6.0L (Delphi Coils)
Ground Circuit (2) 0-10,000
Secondary 3000-7000
(1) Information is not available from manufacturer.
(2) Measure resistance between ignition coil terminal "A" and ignition coil mounting bracket. See appropriate wiring diagram in WIRING DIAGRAMS article.