>I just purchased and *almost* installed a VDO cylender head temp gauge. >I am assuming that this gauge isnt nuclear powered and will require >power. >So how does this bubba hook up? As a matter of fact, it is nuclear powered. Seriously, I don't know what powers it, but no 12 volt power is required. VDO has a website with instructions for all their gauges. Kevin '71 Westy