Testing & Trouble Shooting: Notes

TESTING CAUTIONS: Observe the following to prevent severe damage to transistor ignition system: 

1. Do not use 18 volt or 24 volt batteries to provide starting voltage.
2. Do not crank engine with coil high tension lead or more than 3 spark plug wires disconnected.
3. Do not short circuit between coil positive terminal and ground.
4. If engine being cranked without being started, always disconnect coil primary lead.
5. If necessary to replace control unit or ignition resistor, always make a complete charging system check as cause of failure may be high or uncontrolled charging rate.