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914World.com _ 914World Garage _ does anybody here have a "Big Mark Design " gauge?

Posted by: buck toenges Feb 25 2020, 01:20 PM

Anybody ever use one of these gauges from big mark design? I need some help wiring up the oil pressure light. There are two wires that I found that looks like it hooks up to the light. The problem with these 2 wires is that they are labeled ground on them. One is red and the other black. There is also an orange wire that is labeled pressure. I have the pressure gauge wired and I have the oil temp wired. I also have the volts wired and the fuel wired up. Anybody have any ideas on wiring the oil pressure light??

Thanks,
Buck

Posted by: Cairo94507 Feb 25 2020, 05:05 PM

That's a nice combo gauge.

Posted by: Mark Henry Feb 26 2020, 07:07 AM

IIRC the oil idiot light has power to it, the other connector goes to the pressure switch. The switch is the ground.

Posted by: RickS Feb 26 2020, 09:50 PM

Am out of town for a few days, buttwill look when I return.

Posted by: RickS Mar 3 2020, 07:02 PM

Sorry about the delay. Black goes to green with black trace. Red goes to red coming out of the pressure guage