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Control Module To Distributor Wiring Harness Check

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  1. Disconnect 4-wire control module connector. Connect one lead of ohmmeter to distributor base. Alternately, connect the other ohmmeter lead to wiring harness connector terminals that mate with Orange and Purple wires of control module connector.
  2. If resistance is greater than 70,000 ohms, test result is okay, proceed to IGNITION COIL SECONDARY RESISTANCE CHECK. If resistance was less than 70,000 ohms, check wiring harness between control module connector and distributor, including distributor grommet.
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