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Home >> Plymouth >> 1979 >> Arrow Pickup Base >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Electronic Ignition >> Testing >> Ignition Coil

Ignition Coil

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Coil is designed to operate with an external ballast resistor. When testing coil for output leave resistor connected. Inspect coil for external leaks and arcing. Test coil according to coil tester instructions. Replace coil or ballast resistor that does not meet specifications.

IGNITION COIL SPECIFICATIONS

Type Resistance @ 70-80° F
Primary  
  Chrysler Prestolite 1.60-1.79 Ohms
  Chrysler Essex 1.34-1.55 Ohms
Secondary  
  Chrysler Prestolite 9400-11, 700 Ohms
  Chrysler Essex 9000-12, 200 Ohms
Ballast Resistor  
  Coil Side 1.15-1.35 Ohms
  Control Side 4.75-5.75 Ohms