E-100, 200, 300 & U-100 (1965-67) F-100, 250, 350 (1965-69)

Disconnect battery ground cable, disconnect speedometer cable. Remove screws retaining instrument cluster assembly to instrument panel and lift cluster out of front of panel. Disconnect instrument wiring and light sockets and remove assembly. Vehicles with air brakes must have line to air gauge disconnected, connection to tachometer must be disconnected (if equipped).