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Page 2 - Index - Page 4
Chrysler
Capacitive Discharge Module with Alternator
(ADI Alternator Driven Ignition)
General
  1. Disconnect the kill wires from the CD and connect a DC voltmeter between the kill wires and engine ground, turn the ignition switch on and off several times. If, at any time, you see voltage appearing on the meter, there is a problem in the harness or ignition switch. At NO TIME SHOULD YOU SEE BATTERY VOLTAGE ON A KILL CIRCUIT.
  2. Check the flywheel for a broken or loose magnet.
  3. Check for broken wires and terminals, especially inside the plastic plug-in connectors. We recommend that you remove the pins from the connectors and visually inspect them.
  4. Visually inspect stator for burned or discolored areas. If found, replace the stator. If the areas are on the battery charge windings, it indicated a possible problem with the rectifier.
NO FIRE ON ANY CYLINDER:
  1. Disconnect all kill wires AT THE PACK.
  2. Check for broken or bare wires on the unit, stator and trigger.
  3. Measure DVA voltage of the stator between the output wire sets. With everything connected, reading should be approximately 180 volts or more. Resistance readings between the stator wire sets ranges from 680 800 ohms.
  4. Disconnect the rectifier. If the engine fires, replace the rectifier.
NO FIRE OR INTERMITTENT ON ONE CYLINDER:
  1. Check the stator resistance, you should read 680-800 ohms (factory) and 400 500 (CDIIRAPAIR) DVA 180V or more from blue to yellow (Note On some two cylinder engines, the stator has two blue wires and no yellow wire. The stator will read from blue to blue). All stator wires should read open to engine ground.
  2. Check the trigger resistance, trigger wire sets read approximately 50 ohms between the wire sets (DVA-5V or more), and open to engine ground.
  3. If readings are good, disconnect kill wire from one pack. If the dead cylinder starts firing, the problem is likely the blocking diode in the other pack.
NO FIRE ON TWO CYLINDERS:
  • If two cylinders from the same CD unit will not fire, the problem is usually in the stator. Test per above.
ENGINE WILL NOT KILL:
  • Check kill circuit in the pack by using a jumper wire connected to the kill wire coming out of the pack and shorting it to ground.
  • If this kills the pack, the kill circuit in the harness or on the boat is bad, possibly the ignition switch.
COILS ONLY FIRE WITH THE SPARK PLUGS OUT:
  • Check for dragging starter or low battery causing slow cranking speed. DVA test stator and trigger.
HIGH SPEED MISS:
  1. Check stator DVA voltage to each pack at high speed. If it exceeds 400 volts, replace the pack.
  2. Disconnect the rectifier. If the engine fires smoothly, replace the rectifier.

Two Cylinder Engines with Combination CD Module with Built-in Ignition Coils

NO FIRE OR INTERMITENT ON ONE CYLINDER:
  1. Check the stator resistance, you should read 680-800 ohms, DVA 180V or more from blue to yellow stator wires. (Note On some two cylinder engines, the stator has two blue wires and no yellow wire. The stator will read from blue to blue). All stator wires should read open to engine ground.
  2. Check the trigger resistance, trigger wire sets read approximately 50 ohms between the wire sets (DVA-5V or more), and open to engine ground.
  3. If readings are good, disconnect kill wire from one pack. If the dead cylinder starts firing, the problem is likely the blocking diode in the other pack.
Page 2 - Index - Page 4