Pick-Up Coil & Distributor Wiring Harness Check
- Disconnect control module 4-wire connector, and inspect for dirt, corrosion or damage. Connect ohmmeter leads to harness connector terminals that mate with Orange and Purple control module wires.
- Resistance should be 400-1300 ohms. If so, proceed to "Control Module to Distributor Wiring Harness Check". If resistance is not to specifications, proceed to "Pick-Up Coil Resistance Check".