Hall Sending Unit (Generator) Check
- Reconnect the control unit harness connector to control unit. See Fig 1. Pull back rubber boot on connector. Attach voltmeter positive lead to connector terminal 6, and negative lead to terminal 3. Be sure connector is securely plugged into control unit.
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- Turn ignition switch "ON". With trigger wheel shutter outside Hall sending unit air gap, check voltage reading. It should be 0-.7 volts. See Fig 1.
- Now turn distributor until trigger wheel shutter is inside Hall sending unit air gap. See inset in Fig 1. Voltmeter reading should increase to 1.8-12 volts.
- If any of the above voltage readings are incorrect, replace the Hall sending unit.