LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 1984 >> Wagoneer Base, 2.8 W, Standard >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - HEI >> Overhaul >> Reassembly >> Reading Scope Primary Pattern:

Reading Scope Primary Pattern:

  1. A)

    Spark Zone - spark plug arcing.
  2. B)

    Coil and Condenser Zone
  3. B1)

    Firing Zone - no plug arc.
  4. C)

    Dwell Zone - displays current through coil primary with module turned on.