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Fuel Pump Cut Out Switch

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Old 09-04-02, 08:54 PM
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Fuel Pump Cut Out Switch

I've been looking for a long time on how exactly to do this. I've ran search after search. I PMed a member, and haven't gotten any real information yet.
Basically, I have a switch with two plugs on the back. I soldered wires to each, and I was going to do it like this.
Cut the wire under the dash
Connect one end to one switch's plug
connect other end to other plug
mount switch

i saw somewhere else that they suggested running a wire back to the pump itself, and it didn't say what goes to the second terminal on the switch. So can anyone help?
Old 09-04-02, 09:20 PM
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Just some threads from my search:

https://www.rx7club.com/forum/showth...ht=fuel+switch

https://www.rx7club.com/forum/showth...ht=fuel+switch

Your in the second one man, lol. It has step-by-step directions.
Old 09-04-02, 10:08 PM
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and once again, that doesn't answer my question. I've posted a few times saying I was gonna do it different than the instructions there. However, I wasn't sure if it would work right. I keep asking if it will work the way I wanted to set it up, yet I keep getting answers of "Put a switch in" or a reference to the thread I already posted in and got no real answer. So instead, I'm going to connect it the way I assume will work, and if it works, fine, if not, that's cool too
Old 09-04-02, 10:23 PM
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I guess I didn't understand why you would run a wire back to the pump. I mean are you rewiring your pump? The switch needs 2 wires, the switch is just a break in the wire basically. So even if you rewire it, just put the switch somewhere in the middle of the wire.
Old 09-04-02, 10:30 PM
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exactly why do you want a cut out switch. is it becuase your car is flooding.....If so then that's a sorry excuse for a fix on your problem. Honestly. i wouldn't recommend it. Some tuners sell a resistor that cuts lowers voltage to your pump on shut off and during starts, to help prevent flooding. I have one that i didn't use, and i'm going to take it apart and make one myself, somewhat cheaper. Under $40.
Old 09-04-02, 10:33 PM
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yeah, I agree it's a sad way to fix it, but it's also sad that these cars have so many problems. I'm tired of it flooding, and I don't have time to track down the real problem. There's alot of theories on what's going wrong, and I believe hailers is looking into part of the ECU to see if that's malfuctioning (might be someone else). I remember reading about the part that delays fuel delivery during hot starts, but I don't want to rip into my computer and end up breaking something. also, my injectors were new just over a year ago and this problem's been going on for a few months, so they weren't even a year old when it started. I just want to be able to shut it off, get gas, buy something, or whatever, and be able to start it when I get back in it, so this seems like the way to fix it now.
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