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Boost pumps

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Dennis Jones

Joined: 17 Sep 2006
Posts: 45
Location: Poplar Grove, IL

Posted: Wed Jun 11, 2008 8:06 pm Post subject: Boost pumps

Bob

  

 In the information you sent on the smoke pump  wiring, you showed the ground being switched and the positive going directly to  the pump. Should the electric fuel be wired the same way?

  

 Jonsey

   [quote][b]

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user9253

Joined: 28 Mar 2008
Posts: 1921
Location: Riley TWP Michigan

Posted: Thu Jun 12, 2008 5:23 pm Post subject: Boost pumps

[quote]Jonsey,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> How many fuel pumps do you have and where are they located?  Are there two batteries with alternate feed paths to the fuel pump(s)?  Is there an engine driven fuel pump?  Or is it gravity fed with an electric boost pump? Joe G.[b]

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Joe Gores

Dennis Jones

Joined: 17 Sep 2006
Posts: 45
Location: Poplar Grove, IL

Posted: Thu Jun 12, 2008 7:12 pm Post subject: Boost pumps

One electric backup pump, one battery with one  feed. Pump on pump off no solenoid.

  

 Jonsey

 [quote]   ---

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user9253

Joined: 28 Mar 2008
Posts: 1921
Location: Riley TWP Michigan

Posted: Fri Jun 13, 2008 4:17 am Post subject: Boost pumps

Jonsey,<?xml:namespace prefix = o  ns = "urn:schemas-microsoft-com:office:office" /> 

You can switch either the hot  wire or the grounded wire.  The fuel  pump doesn't care.  One method might  have an advantage over the other as far as the length of the wires (weight)  goes, and thus the length of hot wire exposed to possible short circuits.  As long as the hot wire is protected by  a fuse and is protected against mechanical damage, it will not matter much how  the fuel pump is switched. 

Joe G.   [quote][b]

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Joe Gores

Dennis Jones

Joined: 17 Sep 2006
Posts: 45
Location: Poplar Grove, IL

Posted: Fri Jun 13, 2008 8:24 am Post subject: Boost pumps

Thanks Joe

  

 I did find that with the smoke pump it took less  wire and the hot wire is considerably shorter. I will look at this situation  knowing either way would work.

  

 Jonsey

 [quote]   ---

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