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Thread: '04 Fuel tank sender resistance

  1. #1
    VRaptor SpeedWorks, LLC's Avatar
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    '04 Fuel tank sender resistance

    Is there anyone who has the '04 fuel pump tank (not installed yet) that can do me a favor and measure the sender resistance readings for full and empty? I made myself a note years ago that shows 255 ohms empty and 42 ohms full....which seems to be opposite of everything else I see where the empty resistance is lower than the full resistance....so just making sure I don't have that screwed up. Assuming you have an un-installed empty tank, you should be able to get the full reading by just setting the tank upside-down so the float falls to the top of the tank. Thanks!
    Shane Vacek
    VRaptor SpeedWorks, LLC
    www.vraptorspeedworks.com
    Turn-key GTM, SL-C & Ultima GTR Built to Your Specs!
    Offering a full line of GTM Upgrades and Custom Parts

  2. #2
    Senior Member
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    Shane, on my '01 tank it is 40 empty, 240 full. To calibrate the gauge I used two sets of resistors, one 40 and one 240 to mimic empty and full.

  3. #3

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    I have 2004 in tank pump with sender, about 40 ohm empty and 240 full.

    Mostafa

  4. #4
    VRaptor SpeedWorks, LLC's Avatar
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    Thanks, guys!
    Shane Vacek
    VRaptor SpeedWorks, LLC
    www.vraptorspeedworks.com
    Turn-key GTM, SL-C & Ultima GTR Built to Your Specs!
    Offering a full line of GTM Upgrades and Custom Parts

  5. #5
    Senior Member beeman's Avatar
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    I think it's a fair trade, Shane teaches us how to build our cars, and we throw him an occasional ohm meter reading!
    MK3.1 2004 Mach 1 donor. ABS, PS, TC.
    GTM #304 LPE 525hp LS3
    2000 C5 Lingenfelter LS1@489hp
    1999 Corvette FRC/Z06 track car

  6. #6
    VRaptor SpeedWorks, LLC's Avatar
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    LOL!....works for me!!
    Shane Vacek
    VRaptor SpeedWorks, LLC
    www.vraptorspeedworks.com
    Turn-key GTM, SL-C & Ultima GTR Built to Your Specs!
    Offering a full line of GTM Upgrades and Custom Parts

  7. #7
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    I think I'll owe Shane a bit more

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