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Home >> Honda >> 1985 >> Prelude Base, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Standard >> Testing >> Coolant Temperature Gauge

Coolant Temperature Gauge

  1. Ensure ignition switch is in "OFF" position. Disconnect Yellow/Green wire on coolant temperature gauge sender. Turn ignition switch to "RUN" position. Ensure gauge pointer starts to move toward "COLD" mark.
    CAUTION: Do not leave ignition switch in Run for longer than 5 seconds, or fuel gauge will be damaged.
  2. Turn ignition switch to "RUN." The needle should move to "HOT". If needle moves correctly, replace sender. If needle does not move correctly, check wiring, connections, and gauge.