Overview The 77 Ford Bronco Package features the speedometer, tachometer, fuel(75-10ohm), temperature, volt, and oil gauges all in one direct fit instrument. Installing the all-electronic cluster is easy with the included model specific mounting hardware, Classic Instruments' Zeus Speedometer Technology&trade, for push button calibration, and all the included sending units., The ’66-’77 Ford Bronco Package features the speedometer, tachometer, fuel(75-10ohm), temperature, volt, and oil gauges all in one direct fit instrument. Installing the all-electronic cluster Features Push button calibration, switch included Zeus Speedometer Technology built-in, molded plastic back housing High beam indicator hidden at the top of the tachometer, red LED HaloTM LED lighting with built-in LED dimmer, and molded "light intensifier" ring for bright, even lighting. Brightness of the LEDs can be adjusted with a potentiometer on the back of the cluster Ford sender kit included Works directly with ECM or VSS signal, no additional control boxes needed ECM signal filter switch built-in Turn signal indicators in the left and right sides of cluster, green LEDs Direct fit into the stock dashboard using factory holes with the included mounting hardware