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Gauge Panel Wiring Instructions

Wiring Color Code for Longacre Gauge Panels


  • Yellow wire - connect to ignition switch so that power is shut off with motor

  • Orange wire - connect to water temp light sender (included) installed on intake manifold (replacement sender #43250)

  • Black wire (3 & 4 gauge only) - connect to oil temp sender (included) installed in oil pan or cooler (replacement sender #43350)

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