Alternator Wiring Diagram Tachometer. Connect the WHITE lighting wire to the dash lighting circuit or to a 12V switched circuit. Wire connect the RED wire to a switched 12V source like the ignition wire.
There are two 2 wires for the lighting. Enter your vehicle details. The third spade connection in this diagram is optional and will not be present on all units.
Terminal Definition Notes A BATTERY Comes from the word Accumulator B BATTERY Main Battery Feed B BATTERY Main Battery Feed C CENTRE Neutral Half-Voltage centre point of a Y-connected stator.
The original 1960s GM alternator employs an external voltage regulator. The following information is presented as a guide when wiring and troubleshooting alternators. Determine pulley ratio with the following formula. After mounting probe trigger route both black probe wires through firewall using grommet provided.