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Lift pump wiring

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Old Nov 7, 2013 | 10:41 AM
  #1  
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Gary Krishna
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From: Rickmansworth, Hertfordshire.
Default Lift pump wiring

Just about to wire in my lift pump on my Cossie and was just wondering how people have wired theirs in.

I was going to wire it up by using a separate relay and wiring using the original trigger wire as per the way the MSD loom works but that means yet more electrical shit floating about that I didn't really want!! Lol!

Option 2 was to piggy back off the 044 in the boot (obviously with an inline fuse) but wasn't too sure about whether the MSD loom would handle the load of another fuel pump connected in to it (the lift pump apparently has a current draw rating of 3 amps so not huge).

Option 3 was just to connect the lift pump directly to the trigger wire (which is the original fuel pump wire) and just use that to power it as the only other thing that it's feeding is the relay for the MSD loom and I shouldn't think that'd be a problem due to the lowish current draw of the lift pump (I'm sure a standard pump would draw more than that!)

What you reckon folks?!!
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Old Nov 7, 2013 | 11:36 AM
  #2  
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Will Pedley Racing
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What lift pump are you using?
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Old Nov 7, 2013 | 05:28 PM
  #3  
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Sonic Boom
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I feed my lift pump and feed pump off two separate relayed looms (from MSD) and both are triggered off the black and red wire original pump wire.
Rich
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Old Nov 7, 2013 | 08:18 PM
  #4  
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Done mine in the tina using 2 x 40 amp ford relays std pump feed as a trigger and 50amp cable fuse from battery.
Holley blue and a bosch 044
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