Brand New Classic Instruments OE Package for 1966-1977 Bronco (Holley Part #FB66OE). The 1966-1977 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 for push button calibration, and all the included sending units. Compatible with: Ford: 1966-1977 Bronco Features: Works directly with ECM or VSS signal, no additional control boxes needed Ford sender kit included ECM signal filter switch built-in High beam indicator hidden at the top of the tachometer, red LED HaloTM Push button calibration, switch included Direct fit into the stock dashboard using factory holes with the included mounting hardware Zeus Speedometer Technology built-in, molded plastic back housing 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 Turn signal indicators in the left and right sides of cluster, green LEDs Specs: Application: 1966-1977 Ford Bronco Brand: Classic Instruments Color: Black Display Type: Analog Gauge Series: OE Package Grade Type: Heavy Duty Illuminated: Yes Illumination Color: White Part Type: Gauge Set You can view and download the instruction booklet here.