GT500 Pumps wiring help!!

bolivianpimp

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Well guys we installed the Saleen blower on the car a week ago and I still have to install the pumps and gauges. I purchased the pumps from someone on the forums, but the harness was definitely not complete and missing some connectors. I was using 1eyedwilly’s write up on mustangforums.com http://www.mustangforums.com/forum/2005-2011-mustangs/504117-gt500-fuel-pumps-diy-w-pictures.html as well as the FFRP manual. When looking at the diagram on willy’s write up (on post #2 about the 5th pic down on that post), I can see that mine looks nothing like his!! I really need your help to identify what else I need to complete the harness and finally be able to get my car tuned and running . I know for sure one plug we were missing was the one that connects directly on top of the GT500 pumps, I ordered that part from Ford and it will arrive today. I have provided some pictures so you can see what my harness looks like.
I posted the pictures in order from whole harness -> relay side of harness-> all way to other end of harness. If you know which connectors im missing, please let me know if there is a part number on it or if you know a specific name to order it!
Thanks for all the help!!!! :helpme:
 

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  • GT500 Harness -entire harness.jpg
    GT500 Harness -entire harness.jpg
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  • GT500 Harness - relay side.jpg
    GT500 Harness - relay side.jpg
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  • GT500 Harness - half, relay side.jpg
    GT500 Harness - half, relay side.jpg
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  • GT500 Harness - midway, green and white wire connector.jpg
    GT500 Harness - midway, green and white wire connector.jpg
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  • GT500 Harness - Cut end, two wire.jpg
    GT500 Harness - Cut end, two wire.jpg
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lostsoul

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+1 I too will only have the gt500 pump, but not sure all the other things i need. Part numbers and cheapest place to get the rest of the stuff from.
 

onequicktang

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i bought my harness from bbr for 160 but i think they dont have them any more and bought my fpdm on ebay bought the pumps from someone on here. Total i have 300 into my gt500 fuel system rather than the 700 they sell for.
 

bolivianpimp

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Come on I know someone has wired their pumps and can help us out. Please help me identify what connectors I am missing! I cant stand looking at my car with the saleen installed and I cant get it tuned until I can figure out harness...
 

projeremy

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I would suggest getting a complete new harness. Looks like you are missing one of the FPDM plugs. The fuel system is just too risky to take a chance with trying to splice in additional connectors. I don't think this wiring harness was ever for a GT500 fuel system, or atlease it's pretty different from the one I just installed.
 

Timbostang

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Your always welcome to check out my wiring on mine. Just have to find time to get together to look at it. I've installed 2 sets but it's been a while.
 

bolivianpimp

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I would suggest getting a complete new harness. Looks like you are missing one of the FPDM plugs. The fuel system is just too risky to take a chance with trying to splice in additional connectors. I don't think this wiring harness was ever for a GT500 fuel system, or atlease it's pretty different from the one I just installed.

Yeah the harness i seen on 1eyedwilly's write up and the ford instructions didnt look anything like mine, theirs was black and blue covered wiring. I am getting frustrated and will might end up ordering the whole damn thing.

Your always welcome to check out my wiring on mine. Just have to find time to get together to look at it. I've installed 2 sets but it's been a while.

Timbo to the rescue!! IT would be AWESOME if i could look at your wiring in person, then i could see exactly what i am missing and what else i need. When could you be available? I am leaving work early today (1pm) and taking the day off tomorrow. Ill send you a pm with my # .
 

NjsGT

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Just trying to help out one wicked stang.... :beer:
 

one.wicked.stang

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FWIW: The wiring harness looks so differently because its the Saleen kit NOT the FRPP GT500 kit. Ive got the install manual for it now and it all makes sense.
 

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