1961/66 F100/1100 & 1966/77 Bronco Instrument Cluster Voltage Regulator-icvr
B9MZ10804C .. ICVR-Instrument Cluster Voltage Regulator (Motorcraft GR508)
Fits: 1961/66 F100/1100 / 1965/66 Mustang / 1960/65 Falcon/Comet / 1962/65 Fairlane / 1961/66 T-Bird / 1966/77 Bronco
You can buy the one cs65 has, or you can buy it from Ford, it's only $85.40!