Checking the high voltage wire
Check if the wires are tight in the distributor cap. They can be pushed out when the air is directed and cause unstable operation of the engine.
The bronze terminals must not oxidize and must ensure good contact with the plugs of the spark plugs.
When the ignition spark jumps to ground in front of the spark plug, clicking or cracking sounds will be heard in the engine compartment.
Then you need to see if sparks really jump. The reason may be in the salt crystals on the wire or the wire is frayed somewhere.
Wire with frayed or contaminated places must be replaced.
In the event of interference from the ignition, measure the interference suppression plug on the ignition coil and on the distributor for the correct resistance value.
The ohmmeter should show 0.6-1.4 kOhm.
Measure the resistance of the spark plug plug. Rated value 4-6 Ohm.
Replacing the high voltage wire
At the ends of the wire directed to the distributor, the bronze terminals must be screwed into the copper conductors.
The interference suppression plug and plug of the spark plug must be screwed in by the same amount.
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