16-09-2023, 10:18 AM
The Quickest way to check ignition out put. Remove HT lead from centre of distributor. With ignition switched on, hold the end of the HT lead close to cylinder block, motor the engine on the starter, you should get a spark jumping from the coil lead to cylinder block.
If not, disconnect the LT lead from the distributor, switch on ignition, repeat HT lead spark test by flashing LT lead to earth. If you get a spark, point condenser or distributor earthing if suspect. If no spark, check coil SW feed with ignition on, and CB coil connection, then CB lead continuity to distributor. If all the coil connections and leads are correct, the coil is suspect.
If not, disconnect the LT lead from the distributor, switch on ignition, repeat HT lead spark test by flashing LT lead to earth. If you get a spark, point condenser or distributor earthing if suspect. If no spark, check coil SW feed with ignition on, and CB coil connection, then CB lead continuity to distributor. If all the coil connections and leads are correct, the coil is suspect.