Gregory Bender

Step 5: Install the sub-harness that grounds the voltage regulator

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Applicable to these part numbers:

  1. Connect one end of the black wire to the grounding point on the voltage regulator.

    Mechanical voltage regulators

    On both the Magneti Marelli and Bosch mechanical voltage regulators, the black wire will have a 5 mm ring terminal at the voltage regulator end (be careful not to fit the larger 6 mm ring terminal on the other end of the wire).

    Connections - Magneti Marelli mechanical voltage regulator

    Original Magneti Marelli mechanical voltage regulator.
    Original Magneti Marelli mechanical voltage regulator.

    Photo courtesy of Gregory Bender.

    Original Magneti Marelli mechanical voltage regulator.
    Original Magneti Marelli mechanical voltage regulator.

    Photo courtesy of Gregory Bender.

    Original Magneti Marelli mechanical voltage regulator.
    Original Magneti Marelli mechanical voltage regulator.

    Photo courtesy of Gregory Bender.

    Connections - Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!

    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!
    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!

    Photo courtesy of Gregory Bender.

    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!
    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!

    Photo courtesy of Gregory Bender.

    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!
    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!

    Photo courtesy of Gregory Bender.

    Connections - Unknown aftermarket mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!

    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!
    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!

    Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.

    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!
    Aftermarket Echlin mechanical voltage regulator to fit Magneti Marelli charging systems. PLEASE NOTE THE WIRE POSITIONS DIFFER FROM THE ORIGINAL MAGNETI MARELLI VOLTAGE REGULATOR!

    Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.

    Connections - Bosch mechanical voltage regulator

    Bosch mechanical voltage regulator.
    Bosch mechanical voltage regulator.

    Photo courtesy of Gregory Bender.

    Bosch mechanical voltage regulator.
    Bosch mechanical voltage regulator.

    Photo courtesy of Gregory Bender.

    Bosch mechanical voltage regulator.
    Bosch mechanical voltage regulator.

    Photo courtesy of Gregory Bender.

    Aftermarket Bosch mechanical voltage regulator.
    Aftermarket Bosch mechanical voltage regulator.

    Photo courtesy of Gregory Bender.

    Aftermarket Bosch mechanical voltage regulator.
    Aftermarket Bosch mechanical voltage regulator.

    Photo courtesy of Gregory Bender.

    Aftermarket Bosch mechanical voltage regulator.
    Aftermarket Bosch mechanical voltage regulator.

    Photo courtesy of Gregory Bender.

    Electronic voltage regulators

    On the Bosch electronic voltage regulator, the black wire will have a 6 mm ring terminal at the voltage regulator end. Secure this ring terminal to the body of the voltage regulator, using the same bolt the you use to secure the voltage regulator to the voltage regulator bracket.

    Bosch electronic voltage regulator.
    Bosch electronic voltage regulator.

    Photo courtesy of Gregory Bender.

    Bosch electronic voltage regulator.
    Bosch electronic voltage regulator.

    Photo courtesy of Gregory Bender.

    Bosch electronic voltage regulator.
    Bosch electronic voltage regulator.

    Photo courtesy of Gregory Bender.

  2. Route the wire in between the right tool box and the rear fender.
  3. Connect the other end of the black wire to the top bolt that secures the right tool box to the rear fender. The black wire will have a 6 mm ring terminal at this end.

    Photo courtesy of Gregory Bender.