Can Bad Points Cause No Spark

If the spark is a big fat one, then the condenser is bad and needs to be replaced. 2. If no spark is visible, check to see if the points or wires are shorting to ground either at the points or at the primary terminal screw going through the housing.

Will a bad ground cause no spark?

Bad grounds can cause no spark issues though. It can cause the ground to ground through the ecu frying it. If you get a single spark when turning on the ignition then nothing when cranking it’s the ecu. It’s a really good idea to go over all your grounds on a regular basis anyway.

What happens when ignition points go bad?

Signs of incorrect ignition timing include hard starting, spark knock, poor power, overheating and decreased fuel economy.