Infinity and Velocity Singles Reference Ground to Engine Block

Infinity and Velocity Singles Reference Ground to Engine Block

The Infinity and Velocity Singles Reference Ground wire is always labelled as such in the manual, and there might be one on each connector. They can be tied together and run to the Engine Block.

Important: Read this article on why an Engine Block Reference Ground is critical for accurate engine sender readings. If your oil temp, oil pressure and RPM / tach engine senders are not reading correctly, this is the first thing to check.