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Home >> Ford >> 1977 >> Bronco Automatic Trans >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Switches, Gauges & Instrument Panels >> Removal & Installation >> Instrument Cluster >> U-100 Models

U-100 Models

  1. Disconnect battery ground cable and speedometer cable from head. Remove screws attaching instrument cluster to instrument panel.
  2. Disconnect feed wires to instruments and instrument voltage regulator. Remove light sockets from back of cluster while noting location of each.
  3. Remove two clips retaining wiring harness to cluster back and pull harness away from cluster. Remove cluster assembly from behind instrument panel and out of vehicle.
  4. To install, reverse removal procedures while noting the following: The Black/Yellow stripe wire must be routed correctly through ammeter loop of charge indicator to prevent reverse gauge indications. Take care to avoid kinking the speedometer cable.