MSD Tachometer Adapter
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MSD Tachometer Adapter Overview
Connects to the tach output on MSD Ignition System products that offer a spade tachometer output. Includes signal conditioning. Measures 8.5-feet in length nominal. Connect the yellow cable to the tachometer output and the black to chassis/ground. Compatible with Mustang’s Jbox Data System.
For a diagram of how to attach the adapter, click here to download a PDF drawing



