Ignition System - 4.2L

• Description
  • Notes
  • Micro Computer Unit (MCU)
  • Electronic Ignition Control Unit
• Testing
  • Secondary Spark Voltage
  • Spark Plug Required Voltage
  • Ignition Coil Resistance
    • Primary Resistance
    • Secondary Resistance
  • Current Flow
  • Coil Primary Circuit
  • Control Unit & Sensor
  • Control Unit Power Feed
  • Centrifugal Advance
  • Vacuum Advance
• Overhaul
  • Distributor