12v source only if engine is running?
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Hotshot
Joined: Jul 2013
Posts: 14,244
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It came to me in a vision
i think a oil pressure switch that comes on at a preset psi. The switch would only close when the motor is running.
i want to turn a boost controlled additional fuel pump to a switched controlled one while the engine is running.
the pump blows a fuse if the pump is running and the motor is not consuming fuel.
i think a oil pressure switch that comes on at a preset psi. The switch would only close when the motor is running.
i want to turn a boost controlled additional fuel pump to a switched controlled one while the engine is running.
the pump blows a fuse if the pump is running and the motor is not consuming fuel.
Cargo Master
Joined: Apr 2003
Posts: 2,057
Likes: 424
From: Too close to Houston
It came to me in a vision
i think a oil pressure switch that comes on at a preset psi. The switch would only close when the motor is running.
i want to turn a boost controlled additional fuel pump to a switched controlled one while the engine is running.
the pump blows a fuse if the pump is running and the motor is not consuming fuel.
i think a oil pressure switch that comes on at a preset psi. The switch would only close when the motor is running.
i want to turn a boost controlled additional fuel pump to a switched controlled one while the engine is running.
the pump blows a fuse if the pump is running and the motor is not consuming fuel.
Cargo Master
Joined: Jul 2011
Posts: 2,658
Likes: 967
From: Walpole, MA
What a about the upfitter bundle in the passenger foot well?
https://www.ford-trucks.com/forums/1...ch-wiring.html
Would any of those work?
https://www.ford-trucks.com/forums/1...ch-wiring.html
Would any of those work?
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up fitter switches would be too manual
Im think I am going in the direction of an oil psi normally open switch that will come on at a few PSI.
Im think I am going in the direction of an oil psi normally open switch that will come on at a few PSI.
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With Canbus, it may not be what you are looking for. It may put out a variable voltage instead of an on/off signal since it is actually measuring pressure. In fact I may trigger a CEL. BUT you CAN get an on/off pressure switch and T it into the oil pressure circuit, OR the fuel circuit itself. Rig it with a time delay so that it wont actually kick in until the fuel pressure has been stable for a set amount of time. Now if you had an SPE DPK, their kit provides a tap for just such a thing.
Thread Starter
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Hotshot
Joined: Jul 2013
Posts: 14,244
Likes: 2,179
With Canbus, it may not be what you are looking for. It may put out a variable voltage instead of an on/off signal since it is actually measuring pressure. In fact I may trigger a CEL. BUT you CAN get an on/off pressure switch and T it into the oil pressure circuit, OR the fuel circuit itself. Rig it with a time delay so that it wont actually kick in until the fuel pressure has been stable for a set amount of time. Now if you had an SPE DPK, their kit provides a tap for just such a thing.
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