The ignition module removal and replacement procedure varies depending on the ignition system. Always follow the procedure in the vehicle manufacture's service manual.
For a distributor-mounted module:
- Remove the battery wire from the coil battery terminal, and remove the inner wiring connector on the primary coil terminals. Remove the spark plug wires from the cap.
- Rotate the distributor latches one-half turn and lift the cap from the distributor.
- Remove the two rotor retaining bolts and the rotor.
- Remove the primary leads and the pickup leads from the module.
- Remove the two module mounting screws, and remove the module from the distributor housing.
- Wipe the module mounting surface clean, and place a light coating of silicone heat-dissipating grease on the module mounting surface.
Lack of silicone grease on the module mounting surface may cause module overheating and damage.
- Install the module and tighten the module mounting screws to the specified torque.
- Install the primary leads and pickup leads on the module.
- Be sure the lug on the centrifugal advance mechanism fits into the rotor notch while installing the rotor, and tighten the rotor mounting screws to the specified torque.
- Install the distributor cap, and be sure the projection in the cap fits in the housing notch.
- Push down on the cap latches with a screwdriver, and rotate the latches until the lower part of the latch is hooked under the distributor housing.
- Install the coil primary leads and battery wire on the coil terminals. Be sure the notch on the primary leads fits onto the cap projection. Install the spark plug wires.