Ignition Harness Connector Pin Removal

Here's a way to remove the round terminals from that connector.
https://ksmetals.com/products/br014-3-16
Once you insert the brass tube in the connector, it will compress the locking tabs allowing the terminal to be released. May take a few tries but it almost always works. These can be found in hobby shops or online.
Many of the kits don't have this particular size release tool.