I really need help with some wiring - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

suspectu1 · 02-02-2013, 05:47 PM

hey, I actually wrote a how-to on wiring a fuel pump from a relay, without bypassing the original circuit design, just bypassing the original wiring. look for my posts in this thread http://zilvia.net/f/tech-talk/488793...d-bad-cas.html

there's nothing wrong with your diagram, btw, but there is a better way to do it. If you follow my advice from the link above, you'll have it wired so that the ECU can switch the pump on and off through the ground. This will prevent you from blowing up in case you get into a bad accident where the engine dies, you're unable to reach your pump switch, and so the fuel pump keeps gushing out fuel

Having the ECU switch the fuel pump's ground would prevent that. Lemme know if you need more help

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02-02-2013, 05:47 PM	#6
suspectu1 Join Date: Mar 2008 Location: Montreal Age: 34 Posts: 37 Trader Rating: (0) Feedback Score: 0 reviews	hey, I actually wrote a how-to on wiring a fuel pump from a relay, without bypassing the original circuit design, just bypassing the original wiring. look for my posts in this thread http://zilvia.net/f/tech-talk/488793...d-bad-cas.html there's nothing wrong with your diagram, btw, but there is a better way to do it. If you follow my advice from the link above, you'll have it wired so that the ECU can switch the pump on and off through the ground. This will prevent you from blowing up in case you get into a bad accident where the engine dies, you're unable to reach your pump switch, and so the fuel pump keeps gushing out fuel Having the ECU switch the fuel pump's ground would prevent that. Lemme know if you need more help