Electrical Gurus - looking for information on pin#13 |
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Electrical Gurus - looking for information on pin#13 |
Scott S |
Sep 7 2011, 10:12 AM
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#1
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Small Member Group: Members Posts: 1,697 Joined: 30-April 03 From: Colorado Member No.: 633 |
Hi There -
Per the chart below, is pin #13 on the engine comaprtment 14 pin plug a true keyed power source? Being that the chart does not list the fuse it goes to (like it does on pin #8) I am a bit confused. I need to create a harness for my fuel pump and need a keyed power source for the relay. The PO of my car installed a faucet pump and ran it off of the positive side of the coil. I need to check again, but I am pretty confident that the original wires were removed, and for now, I want the new pump (carter 4070) to reside in the stock (rear) location. Thanks Very Much - (IMG:style_emoticons/default/beerchug.gif) Scott S Attached image(s) |
Scott S |
Sep 7 2011, 11:04 AM
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#2
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Small Member Group: Members Posts: 1,697 Joined: 30-April 03 From: Colorado Member No.: 633 |
Thanks Valy -
So, I am I looking at this wrong? Is the "power supply" shown on the schmatic the actual relay? If so, I dont understand #30 on the relay. It appears there is a constant 12v hitting both #30 on the relay and #30 on the actual pump - but from two different sources... *edit* "Switched power is the black (8) in engine compartment or red-white under the dash." This may be the simplest way to do things. I have to get into the center tunnel anyway to pirate a wire for my oil pressure guage anyway, so maybe I am over thinking this too much. As per your comment - I totally agree - and want to make sure the pump is wired through a relay vs how it is now. Thanks!!! |
Valy |
Sep 7 2011, 02:55 PM
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#3
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Senior Member Group: Members Posts: 1,677 Joined: 6-April 10 From: Sunnyvale, CA Member No.: 11,573 Region Association: Northern California |
Thanks Valy - So, I am I looking at this wrong? Is the "power supply" shown on the schmatic the actual relay? If so, I dont understand #30 on the relay. It appears there is a constant 12v hitting both #30 on the relay and #30 on the actual pump - but from two different sources... *edit* "Switched power is the black (8) in engine compartment or red-white under the dash." This may be the simplest way to do things. I have to get into the center tunnel anyway to pirate a wire for my oil pressure guage anyway, so maybe I am over thinking this too much. As per your comment - I totally agree - and want to make sure the pump is wired through a relay vs how it is now. Thanks!!! The power supply relay brings switched power to the engine bay so you won't get power drop on the wires through the tunnel. The Fuel Pump relay is wired for the FI. You can't use it that way and not all the relay pins are connected to the board. Just use a regular relay (can be the square ones). The relay wiring I posted will activate the pump only when you crank the engine or there is oil pressure. So if your engine dies, the oil pressure will go off and kill the pump. Really easy to hock it up. |
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