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2G Gst fuel hanger in GSX wiring sender/pump

Posted by my98gsx, Jan 11, 2021 at 8:09 AM

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  1. my98gsx

    my98gsx Supporting VIP

    623
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    Joined Aug 14, 2005
    Wappingers, New York
    I recently purchased a Vamos design fuel tank which allows for the use of a gst hanger if an oem pump and level sender would like to be used (which I want to do). I have been searching for wiring but have been unable to find anyone who has done this. The pump is not really and issue to me since it is only a power and a ground and would be easily determined. The main concern/issue I am having would be the level sender. I want the stock gauge to work, and am unaware how to use a GST hanger in a GSX. If anyone has any information I would greatly appreciate it. Thanks
     

    Street Build 1K  11

    1999 Mitsubishi Eclipse GSX
    563 whp · 422 lb/ft · 2G DSM

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    1999 Mitsubishi Eclipse GSX
    12.091 @ 114.490 · 2G DSM
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  2. my98gsx

    my98gsx Supporting VIP

    623
    126
    Joined Aug 14, 2005
    Wappingers, New York
    Thanks dustyboner, I will have to just combine the two wiring diagrams and make it work. My main concern is to allow for the dash fuel level sender to still work.
     

    Street Build 1K  11

    1999 Mitsubishi Eclipse GSX
    563 whp · 422 lb/ft · 2G DSM

    1K  4

    1999 Mitsubishi Eclipse GSX
    12.091 @ 114.490 · 2G DSM
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  3. dustyboner

    dustyboner DSM Wiseman

    1,068
    396
    Joined Mar 13, 2016
    abq, New Mexico
    so the FWD unit uses connector E-37
    upload_2021-1-13_5-1-33.png
    pin 1 (yellow/blue) low fuel light
    pin 2 (black) ground
    pin 3 (yellow) fuel gauge



    i would splice it in to the wires off connector E-09
    pin 4 (yellow/blue)
    pin 7 (yellow)
    upload_2021-1-13_5-14-32.png


    you can source the ground from the AWD gauge unit connector
    pin 6 (Black)
    upload_2021-1-13_5-17-32.png

    or just run your own ground.

    upload_2021-1-13_5-22-22.png
    i think thats as simple as i can make it. i hope it helps cause it took me at least the last 3 hours to slap that pic together.
    its almost 6am so im too tired to get much into

    upload_2021-1-13_5-44-2.png

    FWD spec is
    F:-full (float at highest point)
    E:=empty (lowest point)

    upload_2021-1-13_5-46-47.png

    with 5.25" of travel between
     

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