Wiring Harness Ground Circuit Check
- Disconnect ignition module 3-wire connector. Connect ohmmeter leads to engine ground and terminal in wiring harness connector that mates with Black wire of ignition module. Measure resistance. Reconnect ignition module 3-wire connector.
- If resistance was less than 1 ohm, inspect Black wire, ignition module connector, and wiring harness connector. If resistance was greater than 1 ohm, inspect wiring harness and connectors between ignition module and ground connection.