Ignition System - HEI/Est/ESC

• Description
  • High Energy Ignition (HEI)
  • HEI With Electronic Spark Timing (Est)
  • HEI & Est With Electronic Spark Control (ESC)
• Operation
  • Ignition System
  • Est System
    • Notes
    • All Models W/EST (Except "S" & "T" Series W/2.5L Engine)
    • "S" & "T" Series With EST & 2.5L Engine
  • Sensors
  • Electronic Spark Control (ESC) System
    • All Fuel Injected Engines (Except 2.5L & 7.4L)
• Adjustments
• Trouble Shooting
• Diagnosis
• Component Testing (HEI)
  • Electronic Module
  • Ignition Coil
  • Pick-Up Coil
  • Capacitor
• Component Testing (HEI With Est)
  • Coil Resistance Check
    • External Ignition Coil (Sealed Module Connector Distributor)
    • Integrally Mounted Ignition Coil
  • Pick-Up Coil Short & Resistance Checks
• Overhaul