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RDAC VD Reference Ground to Engine Block
Author: Matt Liknaitzky Reference Number: AA-00234 Views: 7093 Created: 2012-07-04 13:55 Last Updated: 2014-03-14 11:36 0 Rating/ Voters

On the RDAC VD, the Reference Ground wire is the bottom terminal on the RDAC, labelled REF GND. This terminal should go straight to 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.


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