how to wire the inline pump in a dual pump setup

[nkosi]

Hey guys i want to run a dual fuel pump setup with a intank walbro 255hp and a inline 255hp near the fuel rail before the fuel filter ...i just need to know how to wire up the inline walbro to work in tandem with the intank ...i was thinking of using a 30 amp automotive and running a wire with the -6 an fuel line from the main relay signal wire splice to turn on the relay for the inline pump ...if anyone has done this before please let me know ...all input are welcome thanks guys in advance

 

[GRAVEDIGGER]

Good info in the following thread starting here http://www.dsmtuners.com/forums/bolt-tech/216879-best-way-wire-second-fuel-pump.html#post1814594

Good luck

 

[nkosi]

Good info in the following thread starting here http://www.dsmtuners.com/forums/bolt-tech/216879-best-way-wire-second-fuel-pump.html#post1814594

Good luck

Thanks GRAVEDIGGER just wanna to know im on the right track im going to use two 30 amp relay and fuses and use the main relay signal to switch on the two relays ....

 

[GRAVEDIGGER]

***edit***

I breezed over this and just agreed with you at first, but after rereading your post that is NOT the right way to do it like little-razcal says below. Reread my original link in my first post and do it just like that.

 

[little-razcal]

Careful now...IMO...You do NOT want to run two separate relays to each pump! If your pushing any type of power you will be in need of both pumps, which in the event a relay takes a poop on you, you will have a very lean condition only having the one pump operational. This could easily be catastrophic. The idea is to have both pumps turn on and off at the same time on ONE relay. In the event that one relay takes a poop, both pumps will loose power and you will simply stall out. To do this, you need a relay that is powerful enough to take the increased load of a second pump. You want to run around a 50-75amp high output relay and wire both pumps of this single relay. Think about it.

 

[nkosi]

Careful now...IMO...You do NOT want to run two separate relays to each pump! If your pushing any type of power you will be in need of both pumps, which in the event a relay takes a poop on you, you will have a very lean condition only having the one pump operational. This could easily be catastrophic. The idea is to have both pumps turn on and off at the same time on ONE relay. In the event that one relay takes a poop, both pumps will loose power and you will simply stall out. To do this, you need a relay that is powerful enough to take the increased load of a second pump. You want to run around a 50-75amp high output relay and wire both pumps of this single relay. Think about it.

hey little-razcal thanks for the input man that is something to think about i think i will run the one relay at 50-75 amps and wire both pumps on the one relay ...i will be making some good power so it is important to have both pumps running and if the relay fails they will both stop and just stall the car ...thanks homeboy for the heads up much appreciated

 

[little-razcal]

hey little-razcal thanks for the input man that is something to think about i think i will run the one relay at 50-75 amps and wire both pumps on the one relay ...i will be making some good power so it is important to have both pumps running and if the relay fails they will both stop and just stall the car ...thanks homeboy for the heads up much appreciated

No problem. I'm just sharing info I have learned along the way. I had to find all of this out myself not to long ago for my dual 044 sumped setup. Good luck.

 

[nkosi]

No problem. I'm just sharing info I have learned along the way. I had to find all of this out myself not to long ago for my dual 044 sumped setup. Good luck.

hey little-razcal how would i do the fuse setup on the two pumps ....do i get two 30 amp fuses and wire each 30 amp fuse to each pump or is there another way to put a fuse in the circuit ...i found a 80 amp high output relay to run both pumps as per your instructions now i just need to know how to do the fuse ...let me know