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Old 04-20-2011, 01:34 PM   #1 (permalink)
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Talking PCM, ECU, Reflashing/Engine Wiring Harness customizing help

Ok,

So here is the deal Iím looking at putting a 5.4L 3v in my trail buggie. Iím trying to find some one that can get the 5.4L to run with out trannie or diff censers, so basicly ecu and engine only. i would like to get the wiring harness reworked and lengthened about 4ft to get it as high in my buggie in order to keep it out of the muck. Yes the 5.4 is a ford, and yes i know about the LS engines but i want to do it with The FORD 5.4L. Thanks for your help.


Des
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Old 04-20-2011, 05:31 PM   #2 (permalink)
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Honestly, your best bet might be to just go with an aftermarket stand alone computer and harness. You get what you want and are not spending forever eleminating stuff you don't want.

Stretching a harness isn't exactly as simple as it sounds. 2 ways of doing it, a whole bunch of spliced wires inside the harness (not the best idea), or replace every wire going to the computer with a new one that is longer (a complete custom built harness with almost not orignial wires).
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Old 04-20-2011, 06:59 PM   #3 (permalink)
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sniper seems the best deal
I am needing one for a 5 speed swap into my P71 crownvic

http://www.snipertuningforums.com/index.php

Last edited by mj; 04-20-2011 at 07:00 PM.
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Old 04-20-2011, 07:50 PM   #4 (permalink)
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http://www.google.com/search?hl=en&s...aqi=&aql=f&oq= is your answer to keeping the PCM out of danger.

Last edited by f350n4.6ranger; 04-20-2011 at 07:51 PM.
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Old 04-20-2011, 08:57 PM   #5 (permalink)
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dude! why even bother! a 350 with a rv cam, and those panties will drop! i promise! maybe even get crazy with a 3/4 race cam... no need to do the ls swap like all the other sheep out there..
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Old 04-21-2011, 04:34 AM   #6 (permalink)
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dude! why even bother! a 350 with a rv cam, and those panties will drop! i promise! maybe even get crazy with a 3/4 race cam... no need to do the ls swap like all the other sheep out there..
Going with this line of thinking.... Why not mount the engine higher up in the buggy too. I mean, mount it too the roof and use a bunch of drain snakes taped together in lieu of a driveshaft, and your rig will be UNSTOPPABLE!!!!
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Old 04-21-2011, 10:09 AM   #7 (permalink)
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Quote:
Originally Posted by broncobowsher View Post
Honestly, your best bet might be to just go with an aftermarket stand alone computer and harness. You get what you want and are not spending forever eliminating stuff you don't want.

Stretching a harness isn't exactly as simple as it sounds. 2 ways of doing it, a whole bunch of spliced wires inside the harness (not the best idea), or replace every wire going to the computer with a new one that is longer (a complete custom built harness with almost not orignial wires).
OK thatís a great idea but what / who makes the stuff to go with my ford 5.4L for the standalone ECU and wiring harness? There was a guy at one of the 4X4 competitions that had an ls1 he got out of a rolled truck. he sent it off to a "tuner" and got the wiring thinned out and the ecu re-flashed to eliminate all the sensors he didn't need, and to get the anti-theft taken off. The ECU/PCM re-flash is really what Iím after. is there a place that can do all that for me?

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Old 04-21-2011, 12:23 PM   #8 (permalink)
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delta force tuning, goggle it
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Old 04-21-2011, 05:29 PM   #9 (permalink)
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Originally Posted by desmvp View Post
OK thatís a great idea but what / who makes the stuff to go with my ford 5.4L for the standalone ECU and wiring harness? There was a guy at one of the 4X4 competitions that had an ls1 he got out of a rolled truck. he sent it off to a "tuner" and got the wiring thinned out and the ecu re-flashed to eliminate all the sensors he didn't need, and to get the anti-theft taken off. The ECU/PCM re-flash is really what Iím after. is there a place that can do all that for me?

Des
I do understand that it's the enigne you want to use but if you haven't done a EFI swap before you might want to start with something that has a little more support out there. my $.02
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Old 04-22-2011, 06:40 PM   #10 (permalink)
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2001? 2010?



whats it worth to you? where are you located?



didnt find anything on google?
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Old 04-24-2011, 10:26 PM   #11 (permalink)
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ya i did find some flashing software thanks to this thread but I thought i saw a place that would do the ecu and wiring for "end users". i had seen it on the net when i Googled the project be for but now im having trouble finding it. IT was a good price too something like $300 or so ........... a good deal in my book.

Im in bozeman mt and ya nothing here will/ can do the ecu flash and wiring its BFE out here as fare as electronics go.

Ya i have done other swaps be for just this is my first EFI and need the ecu done thatís the only hang up for this project. but i can do the DIY thing now too, i just want to have the ease of "it went to the shop" but it may just be the next new thing i have to learn. Thanks for all your help guys.
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Old 08-13-2013, 05:41 PM   #12 (permalink)
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2001? 2010?



whats it worth to you? where are you located?



didnt find anything on google?
i did find that hp tuners and still looking for some one or something that i can use to reflash this ecm/ecu, google helped but not much. how much depends on how much it is. i was hoping that there was some tuner of trucks or the mustangs 4.6 same ecm by the way. if anyone knows someone that tunes ford trucks or mustangs would be great help. oh and im in montana

Last edited by desmvp; 08-13-2013 at 06:02 PM.
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Old 08-13-2013, 06:08 PM   #13 (permalink)
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I can bench flash most 04 an older PCM's, I need the code off the PCM to tell you for sure though. The newer stuff is hit and miss as to what's supported.
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