chevrolet spark ignition coil - forum about car parts and chevrolet spark ignition coil ignition coils replacing ignition coil pack what spark plugs do you guys like going nuts need help 1995 s6 no spark but i have fuel how to check for spark how an ignition system operates. post cal vu ss mirror pics How to Wire an Engine Coil | It Still Runs Connect the positive coil wire to the positive terminal of the ignition coil. Locate the negative coil wire. On most cars made before 1980, this wire connects to the points switch, which is located on the distributor. The distributor connects all of the spark plug wires.