FJuan Posted March 21, 2011 Share Posted March 21, 2011 I currently have a ProSport Boost gauge and it works great. Recently I've added the oil pressure gauge (electrical) and have questions about the wiring. The wires on the back of the gauge has only 1 black wire, and per the instructions it states.... Red to 12v Black to ground Amber to Head Lamp Switch White to ACC then it states Black to sender BK Green to sender G If I wire the black to ground, then the gauge turns on. If I wire the black wire only to the sender, then there is nothing. So, for those that have installed this gauge, or similar, how did you wire the black wire? Am I suppose to wire the black wire to ground and the sender? My wife's balls are delicious. Link to comment Share on other sites More sharing options...
Rexwagon Posted April 18, 2011 Share Posted April 18, 2011 thats a good question. I am having the same trouble Link to comment Share on other sites More sharing options...
Max Capacity Posted April 18, 2011 Share Posted April 18, 2011 I pick, black to ground. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
FJuan Posted April 18, 2011 Author Share Posted April 18, 2011 Already figured out. The 1 black wire from gauge goes to ground. The BK side of the sender is grounded by a seperate wire, which the instructions don't tell you that. All good now. My wife's balls are delicious. Link to comment Share on other sites More sharing options...
Rexwagon Posted April 26, 2011 Share Posted April 26, 2011 i like how the instructions doesnt say anything about that last ground. Link to comment Share on other sites More sharing options...
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