Forced Induction Custom FI Setup Questions

need help on wiring walbro fuel bump.

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Old 11-09-2007, 04:08 PM
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Default need help on wiring walbro fuel bump.

sup everyone.
my walbro is currantly wired to the stock relay, and i want towire it with thicker wires like everyone does,
anyone have instructions or can tell me how to do this?

ps, which relay i need?


thanks
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Old 11-09-2007, 04:50 PM
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Default Re: need help on wiring walbro fuel bump.

Like this
Name:  relaywiringconstantpower.jpg
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Or this way either works
Name:  relaywiring.jpg
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Size:  24.6 KB
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Old 11-09-2007, 05:00 PM
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Default Re: need help on wiring walbro fuel bump.

Originally Posted by 90dx
Like this


Or this way either works
I went the 2nd route... 1 relay for each pump..... (I have 2) 10 gauge....
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Old 11-09-2007, 08:43 PM
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Default Re: need help on wiring walbro fuel bump.

thanks fot the pics,


Originally Posted by jagojon3
Not everybody runs thicker wiring to it, but if you do you can use the same relay.
do u mean the stock relay?

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Old 11-10-2007, 04:59 PM
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Default Re: need help on wiring walbro fuel bump.

Couldn't you just wire it the way the stock one was Maybe run thicker wires but not sure it is mandatory.
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Old 11-10-2007, 05:39 PM
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Default Re: need help on wiring walbro fuel bump.

NO, that defeats the purpose... Run the Power wire to the battery (or the alt post), run 10 gauge - (dont forget a fuse) to the relay you ARE adding... and use the stock fuel wire (coming form the stock relay) to switch the added relay, and in effect turn on your pump (S)
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Old 11-11-2007, 02:29 PM
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Default Re: need help on wiring walbro fuel bump.

Originally Posted by bigdaddyvtec
NO, that defeats the purpose... Run the Power wire to the battery (or the alt post), run 10 gauge - (dont forget a fuse) to the relay you ARE adding... and use the stock fuel wire (coming form the stock relay) to switch the added relay, and in effect turn on your pump (S)
cool.... that way it wont draw alot from the stock right?
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Old 11-11-2007, 04:32 PM
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Default Re: need help on wiring walbro fuel bump.

The curremnt drawn will be from either the alt post, or battery DIRECTLY... The stock lead will simply switch the new relay and allow the current to the pump (s)
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Old 11-11-2007, 08:23 PM
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Default Re: need help on wiring walbro fuel bump.

Originally Posted by bigdaddyvtec
The curremnt drawn will be from either the alt post, or battery DIRECTLY... The stock lead will simply switch the new relay and allow the current to the pump (s)
so thanks.
so will it be ok just use the stock wire to trigger the relay and mount the relay near the pump and then run thicker pos & ground wires?


ps
what relay amptitude will i need?


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