Full blown fuel system.

[SlowChild3]

I need a wire diagram for this setup. The way it was wired when i got it didn't seem right. How does it know when to kick the other pump on? Am i missing something?

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[gsxkid81]

it should be wired to run both pumps all the time.

 

[Bluefire16]

Just wire them normally, they will both run at the same time, all the time. Then you are going to have to tune it out ### it will prob be running pig rich.

Do you have a AFPR? Do you have bigger injectors? Do you have a wideband? Do you have a tuning program?

There are many questions you need to answer first.

^^ Looking at your profile it appears you do, now you will simply need to tune it to run it right. Now as far as that goes, you are going to need to read up on how to use a SAFC because i will not explain it, there are enough right ups on here.

 

[99gst_racer]

Yup, wire them to both run constantly. Also, use the same power feed and relay for both. That way, if there's an electrical mishap, both pumps will shut off and the car will stall. If only one pump stops and the other stays running, the car will stay running and will go dangerously lean if you're on the throttle.

 

[SlowChild3]

What is each wire coming off the harness? I have no diagram to go by. I need the full blown wire diagram.

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[Bluefire16]

Black is Negative, Red is power supply, and blue is the other wire haha, i cant remember, been awhile since i installed my pump last.