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Re: Magnum conversion harness. [Re: volaredon] #235863
02/04/10 07:40 PM
02/04/10 07:40 PM
Joined: Mar 2005
Posts: 18
South Dakota
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Kevinb71 Offline
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South Dakota
I don't know if this is the same guy you were talking about, but he offers Mopar harnesses for Magnum's and Hemi's.
www.hotwireauto.com

It's $689 for a converted factory harness

Re: Magnum conversion harness. [Re: Kevinb71] #235864
02/04/10 10:00 PM
02/04/10 10:00 PM
Joined: May 2005
Posts: 1,130
Dayton, Ohio
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wldtm Offline
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Dayton, Ohio
I will do a harness for a magnum. Just need to know what the PCM/harness is out of, and send me your old harness. I usually do it for half of some of the vendors mentioned here. So it would be 350$.

Again the guy on ebay is much cheaper...but I can not do it as cheap as him. I have done my own 5.7 hemi harness, and I am doing 3 more. I have it posted under 5.7/6.1 hemi harness in the NEW PARTS section.

Justin


Interested in having you car wired? Drag car, street car, EFI swap? PM for details
Re: Magnum conversion harness. [Re: wldtm] #235865
02/04/10 10:30 PM
02/04/10 10:30 PM
Joined: Jan 2003
Posts: 7,992
Escondido, CA. Ron Podsiadly,...
Mopar Ron Offline
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Escondido, CA. Ron Podsiadly,...
Justin,how much of the harness is needed?
just whats under the hood?
and when you are done with it how many wires have to be hooked up to make every thing work?
I have 3 harnesses here for the 2 projects I have and would like to make them work as simply as possible. Ron....

Re: Magnum conversion harness. [Re: Mopar Ron] #235866
02/04/10 10:59 PM
02/04/10 10:59 PM
Joined: May 2005
Posts: 1,130
Dayton, Ohio
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wldtm Offline
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Dayton, Ohio
i will have to look at the schematic, but probably a ground, 12v at all times, ign, and maybe a crank feed from ignition switch. it will also have 3 relays incorporated in it. Oh yeah, and 12v to your elec fuel pump...

I just need the harness that is for the engine.
It should have, injectors, coils, TP sensor, crank sensor, distributor pick-up, IAC, ECT, IAT, & 3 plugs or 1 large plug for the PCM (depending on year).

It would be best to have the harness off of the engine you are going to use. There are suttle differences in connectors through out the years.

Starting at the end of next week, I will be able to do them. This is not my full time job, just make a little extra money, and help people out with these mopar EFI swaps.

You can call me with questions... 618-978-9426.

Justin


Interested in having you car wired? Drag car, street car, EFI swap? PM for details
Re: Magnum conversion harness. [Re: wldtm] #235867
02/04/10 11:54 PM
02/04/10 11:54 PM
Joined: Aug 2007
Posts: 435
Austin, TX
lunacy Offline
mopar
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Posts: 435
Austin, TX
so, are these harnesses for putting the fuel injected magnum motor in an older car or for converting it over to carb? I still haven't wired the Magnum that's stuck in my 73 truck yet, i figured i would just hook up the engine and transmission stuff and leave the rest. Is there more to it than that?

Re: Magnum conversion harness. [Re: lunacy] #235868
02/05/10 08:38 AM
02/05/10 08:38 AM
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Dayton, Ohio
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wldtm Offline
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Yes, the harness would be to retro fit a magnum engine into an older vehicle.

Remember though, the crank sensor is picked up at the bellhousing. (bellhousing is notched for crank sensor).

This would take a newer a518/500 trans or manual trans.

My harness would be to use the stock EFI, no carb.

Justin


Interested in having you car wired? Drag car, street car, EFI swap? PM for details
Re: Magnum conversion harness. [Re: wldtm] #235869
02/06/10 10:12 PM
02/06/10 10:12 PM
Joined: Jan 2003
Posts: 1,963
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Cheeto Offline OP
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Uh-oh...can an older 727 be notched to accomodate the crank sensor?


Cheeto
It's not perfect.
It's not correct.
It's not yours!
Re: Magnum conversion harness. [Re: Cheeto] #235870
02/06/10 11:57 PM
02/06/10 11:57 PM
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Posts: 1,963
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Cheeto Offline OP
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BTW: Just saw a familiar name mentioned in the back of Street Rodder magazine. Care to guess who's it is?


Cheeto
It's not perfect.
It's not correct.
It's not yours!
Re: Magnum conversion harness. [Re: Cheeto] #235871
02/07/10 12:29 AM
02/07/10 12:29 AM
Joined: Jan 2003
Posts: 7,992
Escondido, CA. Ron Podsiadly,...
Mopar Ron Offline
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Escondido, CA. Ron Podsiadly,...
Quote:

BTW: Just saw a familiar name mentioned in the back of Street Rodder magazine. Care to guess who's it is?





Maybe Me

https://board.moparts.org/ubbthreads/show...e=0#Post5749187




.

Re: Magnum conversion harness. [Re: Mopar Ron] #235872
02/07/10 08:46 AM
02/07/10 08:46 AM
Joined: Sep 2003
Posts: 19,366
north of coder
moparx Offline
"Butt Crack Bob"
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Posts: 19,366
north of coder
Quote:

Quote:

BTW: Just saw a familiar name mentioned in the back of Street Rodder magazine. Care to guess who's it is?





Maybe Me

https://board.moparts.org/ubbthreads/show...e=0#Post5749187




.



not "familiar".... FAMOUS

Re: Magnum conversion harness. [Re: Cheeto] #235873
02/07/10 02:27 PM
02/07/10 02:27 PM
Joined: May 2005
Posts: 1,130
Dayton, Ohio
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wldtm Offline
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Dayton, Ohio
Quote:

Uh-oh...can an older 727 be notched to accomodate the crank sensor?




i have never tried it, but i think it is worth a shot. You will also need a flexplate for a magnum engine. There are a couple different styles of flexplates and it can cause a no start if the wrong one is used with the wrong PCM.

(other option is use the case from a518, and put your 727 guts inside. the 727 extension housing would be used in place of the 518 OD unit)

justin


Interested in having you car wired? Drag car, street car, EFI swap? PM for details
Re: Magnum conversion harness. [Re: wldtm] #235874
02/08/10 09:02 PM
02/08/10 09:02 PM
Joined: Jan 2006
Posts: 234
SW FL
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dodgedartgt Offline
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SW FL
I'm pretty sure the bolt pattern on the rear of the main case between a 727 and 518 tail housing are different. I would suggest getting a core 727 case, a core 518 case and do a "cut & paste"... Cut a section out of the 518 bell with two mounting bolt locations, bolt the 727 case to the back of an engine, line up a similar cut, then bolt everything together and have the two pieces TIG'd. I hope I've made sense in how I described what I'm envisioning.
Mikey B

Re: Magnum conversion harness. [Re: Cheeto] #235875
02/13/10 12:11 AM
02/13/10 12:11 AM
Joined: Jan 2008
Posts: 2,226
ILLINOIS
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volaredon Offline
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ILLINOIS
Quote:

Uh-oh...can an older 727 be notched to accomodate the crank sensor?



IDK why the trannys are even notched; the crank sensor actually bolts to and fits into the block.
If worst came to worst bolt the 727 to the Mag block and mark the 727 case where the slot is on the block and drill/cut/notch from there.

Re: Magnum conversion harness. [Re: volaredon] #235876
02/13/10 05:48 PM
02/13/10 05:48 PM
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Posts: 1,130
Dayton, Ohio
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wldtm Offline
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Dayton, Ohio
the sensor does bolt to the block, but it sits in the bellhousing. It picks up tdc for each cylinder by a shutter window in the flex plate, hence the reason for the notch.


Interested in having you car wired? Drag car, street car, EFI swap? PM for details
Re: Magnum conversion harness. [Re: Cheeto] #235877
02/25/10 03:08 AM
02/25/10 03:08 AM
Joined: Feb 2008
Posts: 212
Evansville,In
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unrulyprocuda Offline
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Evansville,In
can you bolt the a518 trans with overdrive to the 5.7 hemi and use your wiring harness that you build or the hotwire harness and it will work has any one done this combo and was it sucessful im like several people why cant you use the overdrive transmission that comes with most pull outs i have been told that the trans that comes with these motors will not work because the abs brake sensors will not let you has anyone found a way around this problem and used the factory od transmission im currently installing a 5.7 out of a 2007 300c in a 68gtx convertible clone i know you can use a keisler 5 speed or auto trans thats 5,000.00 or use a 727 smallblock and the jvx adaptor and flywheel thats alot less expensive but i want overdrive automatic and fuel injection like everyone else ive also been told that a truck 545rfe trans will also work with lots of mods to the tunnel along with hanging down lower on the bottom any help would be appreciated

Re: Magnum conversion harness. [Re: unrulyprocuda] #235878
02/25/10 10:15 PM
02/25/10 10:15 PM
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Posts: 1,130
Dayton, Ohio
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wldtm Offline
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Dayton, Ohio
That is what my dads plan is...he is putting a 6.1 hemi in a 68 coronet R/T, with an a518 or a500.

The 45rfe is too bulky
The NAG (from the cars) i dont know much about. i know it doesnt have a slip yoke.

I think for an auto a A518 would be the way to go, with any magnum or HEMI conversion.

That is my opinion...


Interested in having you car wired? Drag car, street car, EFI swap? PM for details
Re: Magnum conversion harness. [Re: unrulyprocuda] #235879
03/04/10 01:39 AM
03/04/10 01:39 AM
Joined: Dec 2004
Posts: 1,757
levittown pa
fstfish66 Offline
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Posts: 1,757
levittown pa
Quote:

can you bolt the a518 trans with overdrive to the 5.7 hemi and use your wiring harness that you build or the hotwire harness and it will work has any one done this combo and was it sucessful im like several people why cant you use the overdrive transmission that comes with most pull outs i have been told that the trans that comes with these motors will not work because the abs brake sensors will not let you has anyone found a way around this problem and used the factory od transmission im currently installing a 5.7 out of a 2007 300c in a 68gtx convertible clone i know you can use a keisler 5 speed or auto trans thats 5,000.00 or use a 727 smallblock and the jvx adaptor and flywheel thats alot less expensive but i want overdrive automatic and fuel injection like everyone else ive also been told that a truck 545rfe trans will also work with lots of mods to the tunnel along with hanging down lower on the bottom any help would be appreciated




THEY DONT MAKE IT EASY DO THEY,,,as for an answer to your question,,,the curent car hemi trannys read off of the ABS wheel speed like you mentioned,,there is a guy over on the for A-bodies only site that has created his own mechinism to fool the 6.1 auto tranny,,and has worked out useing ALL STOCK FACTORY STUFF from a pull out 6.1 and trany from a magnum,,,he is pretty clever or has some nasa friends,,he has built a 5.7 swinger,,all stock pull out stuff, im not sure which trans in the swinger,, now he is almost finished a 68 notch back cuda 6.1 and tranny out of a magnum,,tons of pics and info,,he is curently out of commision with a knee replacement,,,i cant remember the topic title,,several guys on that board converting to modern hemis,,his screen name is 5.7 dart or 5.7 hemi,,sorry my memory isnt what it use to be,,try searching SRT 68 and see the car is called rootbeercuda,,


1966 barracuda prostreeter super charged 340(SOLD)
1940 dodge coupe 241 hemi street rod
2014 ram express hemi 4x4 dailey driver
2015 cherokee
2013 R/T classic
Re: Magnum conversion harness. [Re: fstfish66] #235880
03/24/10 01:16 PM
03/24/10 01:16 PM
Joined: May 2005
Posts: 1,130
Dayton, Ohio
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wldtm Offline
super stock
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Joined: May 2005
Posts: 1,130
Dayton, Ohio
Is anyone close to firing a magnum engine in their project. I have one almost complete, I would like to try.

PM me or reply to this thread. This harness if for a stock engine with exhaust. It will be a 95 and older, comes with the PCM and 95% of the sensors attached.

Justin


Interested in having you car wired? Drag car, street car, EFI swap? PM for details
Re: Magnum conversion harness. [Re: wldtm] #235881
04/12/10 09:07 AM
04/12/10 09:07 AM
Joined: Aug 2007
Posts: 435
Austin, TX
lunacy Offline
mopar
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mopar

Joined: Aug 2007
Posts: 435
Austin, TX
I have a 95 motor in my old truck that's ready to go minus wiring. I am using an aftermarket inline electric fuel pump so I can re-use the stock tank. It is running headers with bungs welded into the down pipes right after the collector. I am running the 95 automatic as well. Does any of the underhood harness work the transmission as well? I know I am missing the overdrive button and wires from the dash and the under dash harness as well. Do I need any of that for the engine/trans?

Justin, whenever you're ready to build another harness let me know.

Re: Magnum conversion harness. [Re: lunacy] #235882
04/19/10 04:44 PM
04/19/10 04:44 PM
Joined: Jan 2003
Posts: 8,089
Sorrento, BC, Canada
4speeds4me Offline
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Sorrento, BC, Canada
Is this process likely to be easier or more difficult with the pre-Magnum 318? I have a FI 318 out of a 1990 PU that Dad was thinking about using in his 56...


2 Demons...no, not my kids!
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