holley fuel pump?
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holley fuel pump?

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    Member busadreamer's Avatar
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    Default holley fuel pump?

    we went to Pine Flat lake sunday drove to the dam and back past trimmer then back to the dock shout it off a few times, a 1/4 mile from the dock she quit running. I turned the key off and back on and no fuel pump sound, it's a Holley black electric, get towed in go home turn key on and fuel pump works, Does the pump need a preasure regulator with a return? I have a preasure regulator without return. Maybe i should of put ice on it? thanks for your help...... Mark

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    Quote Originally Posted by busadreamer View Post
    we went to Pine Flat lake sunday drove to the dam and back past trimmer then back to the dock shout it off a few times, a 1/4 mile from the dock she quit running. I turned the key off and back on and no fuel pump sound, it's a Holley black electric, get towed in go home turn key on and fuel pump works, Does the pump need a preasure regulator with a return? I have a preasure regulator without return. Maybe i should of put ice on it? thanks for your help...... Mark
    I've never run the Black pump but if they are anything like their Blue pump the best place for it would be at the bottom of the lake.
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    Quote Originally Posted by 058 View Post
    I've never run the Black pump but if they are anything like their Blue pump the best place for it would be at the bottom of the lake.
    X2...switch to a "good" mechanical pump & no more worries of any kind...nothing like getting stuck on the lake cause the elect pump took a dive! ...just sayin' my .02 cents FastRat

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    steelcomp was here
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    You probably over heated it. I imagine it's wired directly from a switch on the dash, like the ignition switch? 99% off all electric fuel pump failures are because they're wired poorly. The pump should be on a relay mounted between the battery and the pump, with no less than 12g wire, preferably 10g from the battery to the relay, to the pump. Activate the relay with whatever switch you like. When you run a wire, and probably a small wire, from the battery all the way to the dash, then all the way back to the pump, you've lost a ton of electrical power and the pump really struggles...which over heats the motor, and it quits. FWIW the Holley Black is a decent pump for the $. Dead heading the pump with no return does make them work harder which probably only added to your problem. Wire it right and the problem will go away. -or- it's a faulty pump.
    Last edited by scott foxwell; 07-05-2011 at 01:38 PM.
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    Member busadreamer's Avatar
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    Default Thanks for all your help !


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    As productive as a barrel of monkeys around here................

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    Quote Originally Posted by steelcomp View Post
    Y. FWIW the Holley Black is a decent pump for the $. Dead heading the pump with no return does make them work harder which probably only added to your problem. Wire it right and the problem will go away. -or- it's a faulty pump.
    Yes they are pretty decent pumps for the money:

    They make the Black HP series:


    and they make the old style Blue in a "black" series now.

    The CP runs two HP 150 Blacks, both are dead headed and they are run off a relay. They do just fine racing,skiing and tubing for hrs straight.

    Sound to me he may need a relay.

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    4GsFloatin
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    can anyone throw a quick diagram up on the wiring...with relay, etc? Thanks! (for us non-so-skilled) LOL!

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    steelcomp was here
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    Quote Originally Posted by SangerDude View Post
    can anyone throw a quick diagram up on the wiring...with relay, etc? Thanks! (for us non-so-skilled) LOL!
    Google is your friend

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    thanks!.....LOL! I am very google friendly, but you never know if each thing you find will suit your own needs...if that makes any sense...

    again, thanks!

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    Quote Originally Posted by steelcomp View Post
    Google is your friend

    FWIW I use Mercury outboard trim relays kit come with 2 power relays in a watertight plug and marine grade relays bad news about 100 bucks. the cheap way is to go to a car alarm place and buy the relay and socket 20 bucks. Keep the second relay as a spare. Trouble free
    Last edited by BigSteve; 07-11-2011 at 07:04 PM.
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    Can someone explain to me the point of using the relay? I've thought about it, and still don't really see the benefit.

    Thanks.

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    Quote Originally Posted by PowerAddict View Post
    Can someone explain to me the point of using the relay? I've thought about it, and still don't really see the benefit.

    Thanks.
    Voltage drop........or the lack thereof to the fuel pump. The relay will insure 12 volts to the fuel pump otherwise are you going to run a wire off the ignition switch to run the fuel pump?


    S CP

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