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Message: [QUOTE="TARM, post: 70782, member: 578"] Do not skimp at all on relays or your wiring. Get 30 amp inline fuses or breakers. Use only 10 g ultra fine strand wire. The strands should be as thin as hair. It should be very soft and flexible. If it stiff its not ultra fine. What you are trying to do is prevent as much voltage drop as possible from the battery to the pumps. 1 volt drop is 10gph on average from what I have seen. You want to be as close to 13.7 as possible. Same goes for the relays/ Good ones like Bosch will not leak voltage on you. Get a distribution board and you can run your factory wire to it on one side and then run two wire one to each relay off the other side of each. TO wire the relay is: Blade 85: negative from factory wire (black wire from harness) Blade 86: positive from factory wire (red from harness) Blade 87: positive from battery (wire from + post of battery) Blade 30: positive to pump ( positive to pumps + connection post) Put the inline fuse between the + battery post and blade 87 Blade 85 and 86 are across from each other and blades run in same direction Blade 87 forms the top of a T with Blade 30 being the post of the T and they are directly across from each other but blades run perpendicular to each other forming a T [/QUOTE]

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