Actron Sunpro CP7673 - Electronic Ignition Component Tests; Ignition Circuit Test; Distributor Pickup Coil Test

ELECTRONIC IGNITION COMPONENT TESTS
1. IGNITION CIRCUIT TEST
CHRYSLER AMC / FORD
HIGH
Low | DWELL
RPM «
A. Turn the test selector to the VOLTS position and put the range switch in the
HIGH position.
B. Disconnect the “BAT” positive (+) terminal of the (GM - distributor connector),
(CHRYSLER - ignition module), (FORD or AMC - ignition coil).
C. Connect the RED test clip to GM, Ford, or AMC disconnected “BAT” positive
(+) wire, on Chrysler to pins 1,2,3 of harness. Connect the BLACK test clip to
ground.
D. Turn ignition switch to the ON position and observe the HIGH VOLTS scale.
RESULTS: VOLTAGE READING BELOW 12.0 VOLTS — Defective ignition switch,
ballast resistor (if equipped), loose or corroded connections.
VOLTAGE READING ABOVE 12 VOLTS — Ignition switch, ballast
resistor, wiring and connections are OK.
2. DISTRIBUTOR PICKUP COIL TEST
CHRYSLER AMC - 1978 & S AMC - THROUGH (aa)
D
FORD
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DISTRIBUTOR
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A. Turn the test selector to the OHMS position. For GM, CHRYSLER, FORD, and
1978 or later AMC, put the range switch in the HIGH position. For AMC
through 1977, put the range switch to the LOW position. Refer to the OHMS
CALIBRATION page at the beginning of this manual and calibrate the scale
that is applicable to your vehicle.
NOTE: Make sure the ignition switch is in the OFF position before proceeding.
B. Remove the distributor cap and rotor.
C. Disconnect (GM - green “G” wire and white “W” wire from pickup coil in
distributor), (CHRYSLER - connector plug at module), (FORD and AMC -
connector plug at distributor).
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