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Best place to mount relay for fuel pump? #1272833
07/23/12 06:48 PM
07/23/12 06:48 PM
Joined: Feb 2003
Posts: 2,138
tucson az
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frank Offline OP
top fuel
frank  Offline OP
top fuel
F

Joined: Feb 2003
Posts: 2,138
tucson az
Should it be back by the fuel pump or should it be closer to the alt/battery? Or does it make any difference?

Re: Best place to mount relay for fuel pump? [Re: frank] #1272834
07/23/12 06:51 PM
07/23/12 06:51 PM
Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
OzHemi Offline
Penguin-hating Ginger
OzHemi  Offline
Penguin-hating Ginger

Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
I would put it closer to the battery, so when turned off, you have less of the line with voltage in it through the car. (with chance of damage/shorting)

Re: Best place to mount relay for fuel pump? [Re: OzHemi] #1272835
07/23/12 07:01 PM
07/23/12 07:01 PM
Joined: Feb 2003
Posts: 8,671
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Andrewh Offline
master
Andrewh  Offline
master
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Joined: Feb 2003
Posts: 8,671
I run a 50 amp fused lead to the back behind the back seat, then run relay's back there. cleaner and hides them inside.

Re: Best place to mount relay for fuel pump? [Re: Andrewh] #1272836
07/23/12 07:29 PM
07/23/12 07:29 PM
Joined: Apr 2005
Posts: 4,920
new berlin wisconsin
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Mr T2U Offline
master
Mr T2U  Offline
master
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Joined: Apr 2005
Posts: 4,920
new berlin wisconsin
i put a 30amp fuse by the battry and the relays in the trunk. then run the power lines thru the gas gage hole in the floor.


perception is 90% of reality
Re: Best place to mount relay for fuel pump? [Re: Mr T2U] #1272837
07/23/12 08:29 PM
07/23/12 08:29 PM
Joined: Jan 2007
Posts: 7,664
IN
A
ahy Offline
master
ahy  Offline
master
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Joined: Jan 2007
Posts: 7,664
IN
Whatever is convenient and keeps the loaded wire run as short as possible. I have the battery in the trunk so I mounted the relay there also. Its a short run from there to the fuel pump. I still have to run the relay control wires from front to back but they are low load.

Re: Best place to mount relay for fuel pump? [Re: frank] #1272838
07/23/12 11:43 PM
07/23/12 11:43 PM
Joined: Aug 2007
Posts: 2,356
Kentucky
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dfsmopars Offline
top fuel
dfsmopars  Offline
top fuel
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Joined: Aug 2007
Posts: 2,356
Kentucky
Put mine behind the passenger kick panel.


‘72 Charger, 5.9 Magnum, Tremec 5 spd., Pro-Touring
‘14 Big Horn, Quad Cab, 4x4, 1500






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