Disabling Ignition System
Disable ignition system to prevent engine from starting and prevent discharge of high voltage while working on ignition system.
Disconnect wire from terminal 1 (-) on ignition coil and tape wire end to insulate from making contact with engine components.
NO SPARK OR WEAK SPARK TROUBLESHOOTING CHART
| Probable Cause | Corrective Action |
|---|---|
| Wet or damp distributor cap or plug wires | Remove cap and wires. Dry and reinstall. |
| Faulty wires or connectors (primary circuit) | Test and replace as necessary. |
| Weak or faulty coil | Test and replace as necessary. |
| Defective spark plug wires | Test and replace as necessary. |
| Worn or fouled spark plugs | Replace spark plugs. |
| Faulty Hall sender or impulse sender | Test and replace as needed. |
| Faulty ignition control unit or power stage | Test and replace as needed. |