Ranger 4WD V6-3.0L VIN U (1997)
spark plug insulator to release the connector.
2. Disconnect the spark plug wire from the ignition coil by squeezing the locking tabs and twisting while pulling upward.
3. Open spark plug wire separators and remove spark plug wire.
INSTALLATION
NOTE: When a spark plug wire is removed for any reason from a spark plug or ignition coil, or a new spark plug wire is installed, Silicone Brake
Caliper Grease or Dielectric Compound must be applied to the spark plug wire boot prior to insulation.
1. Use a small, clean tool to coat the entire interior surface of the boot with Silicone Brake Caliper or Grease Dielectric Compound.
2. Install each spark plug wire to the proper terminal on the ignition coil. The terminals on the ignition coil and the spark plug wire are numbered.
Make sure the spark plug wire boots are fully seated and that both spark plug wire boot locking tabs are engaged.
3. Route the spark plug wires.
4. Connect the spark plug wires to the spark plugs.
