Ignition Coil Power Source
- Remove distributor cap. Disconnect ignition coil primary leads. Turn ignition on. Measure voltage between ground and Black/Yellow wire of ignition coil wiring harness. See Figure, 7, or 8.
- Battery voltage should exist. If battery voltage does not exist, inspect for open in Black/Yellow wire between ignition coil and ignition switch. If wire is okay, go to IGNITOR INPUT TEST procedure.