Optional Method Number 1

Removing #1 Ignition Coil:

1. Remove #1 ignition coil.

Spark Plug Wire Modification:

2. Retro-fit a suitable spark plug wire as shown.

Timing Light Connections:

3. Connect the #1 ignition coil and spark plug with the retro-fitted wire. Connect a timing light to the wire.
4. Start the engine and warm it up until the water temperature indicator points to the middle of the gauge.