Hemi Swap Wiring - Mongrels Garage - EP 35
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- เผยแพร่เมื่อ 8 ก.ค. 2024
- Hemi swap wiring, can we use factory Hemi components in a swap, in this video we find out! We take a look at the wiring and what is involved in getting the computer (PCM - Powertrain Control Module) to power up and talk to our tuning software.
Note: This is using the Ram truck wiring.
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Mongrels Garage is about budget builds and whatever else we can get our hands on. Sometimes we get the opportunity to work on some great cars, even if they are not ours...the point is to get your experience where you can.
HELPFUL WEBSITES:
DIYHEMI website - www.diyhemi.com/
MOPAR connectors - connectors.dcctools.com/home.htm
HPTuners - www.hptuners.com/
VIDEOS
Eagle Engine on Stand - • Gen III Hemi (Eagle) R...
Junkyard Tips - • Junkyard Hemi engine -...
DIYHEMI PCM Differences - • DIYHEMI - ECM Differen...
TOOLS:
Multimeter Inexpensive - amzn.to/3uNTEb2
Multimeter High End - amzn.to/3lkpARo
Test Light - amzn.to/3afNuXO
Terminal (Depinning) Tool - amzn.to/3G20Eqb
Terminal (Depinning) Tool - amzn.to/3vkBe22
Soldering Iron - amzn.to/3veOXqW
00:00 - Intro
00:45 - Channel Intro
00:58 - Computers (PCM)
05:06 - Keys
07:00 - Wiring Connectors
11:50 - Wire identification
20:55 - Hooking up power
22:00 - Hooking up data reader
22:16 - Talking to 2006 PCM
25:00 - Talking to the 2010 PCM
25:55 - Outro
26:40 - Channel outro - ยานยนต์และพาหนะ
Fantastic video! Are there any other ways to remove the SKIM then what you’ve shown? Can it be done with a scan tool say?
Thank you, as far as I know the only way to remove the SKIM is thru HP tuners…apparently it can be hit or miss with HP on the dodge stuff. Sending it out to someone to remove it tends to be the most reliable options, but if you have HP tuners doesn’t hurt to try it before sounding it out.
I have an update to your question, HP tuners can be use to turn off the SKIM. Please check out th-cam.com/users/DIYHEMI. These guys are great and very helpful!
Update to this comment: You can definitely reset/disable the SKIM (NGC PCM’s) using HP Tuners but you need to know the proper sequence of events, it’s not as easy as just turning it off in the system settings.
Thanks for the shout out! Keep it up. 🏎
Glad to do it, you guys are awesome and have been very helpful. I am only too glad to send people your way. Very much enjoy watching your projects and videos as well.
It’s nice to see more wiring info on these. I had to go through all this too.
Thank you, it was the motivation behind me doing the video…hoping I could help others out. It was a bit of a struggle getting information when I made the video
Nice work!
Now I need a Hemi!
I approve of this sentiment 👍
Wow tremendous research
Thank you for sharing
Thank you for watching, hope there was some usable information for you!
@@MongrelsGarage I’m trying to make a 2004 Ram harness/PCM work, but a lot of it is transferable
Only difference is SCI vs CANBUS i think…. Still figuring that out lol
thank you for being out there. i was dead in the water with my swap until i saw your video. diyhemi helped, but only so far.. i just wish you had a schematic of a modified harness.
Thank you for watching! Very happy if it helped, I was going to do more but the videos didn’t get much traction when I first made them…people seem to be looking now though so I am planning to do another few videos. In the meantime feel free to ask question and I will do my best to help you out.
@@MongrelsGarage That explains why I couldn't find many more videos. I hope you press on with this, I have watch this one and Part 2 multiple times now. Been a great help, wasn't certain how the PCM knew the key was on (wiring diagram only shows a relay for C1/11) and you cleared that up for me. Thanks!
Very glad you found them helpful, I do plan on getting back to the modern Hemi stuff but have to clean up a few other projects first. Thank you for taking the time to watch!
Quick comment in regards to the later 58 tooth reluctor. I've been told that Hotwire Auto's kit uses an '09-10 NGC controller for the later motors and only requires swapping some sensors. Doesn't mean that the controller doesn't have programming changes, but it would imply that the '09-10 NGC controller can be read the later 58 tooth reluctor.
I do recall doing some research on this and yes, if you change the crank sensor the new PCM will read the old reluctor (100 percent confirmed this) and vice versa the old PCM will read the new reluctor.
Well I can for sure say a 05 & a 07 will not swap over. Even if you change the key, skim and pcm. I just changed all 3 and the lights would come on. And there wasn’t any security light it went off. But as soon as I went to crank it, it did nothing what so ever. Like a dead battery. TY for at least messaging me back.
I can tell you it’s going to be an interface problem with the rest of the vehicle modules. The engine itself should not care which PCM (05-08) is used.
A couple things I would add - Most multimeters have a continuity ("tone") function that emits an audible tone when continuity is present. This is often a better way to check wiring continuity than just the Ohm function. Another tip for this is to use an unfolded paperclip with an alligator clip test lead for testing connectors with tiny pins like the 0.64mm pins used in some modern automotive applications. Another helpful item you could add to your bench is a lab power supply which will give you a reliable, configurable voltage and amperage power feed for stuff like this. It will also help you with testing 5V based automotive components or checking components at an alternator-like system voltage and is smaller and easier to deal with than an actual battery.
All very good tips Matthew.
Awesome video, my 5.7 is ready to get swapped into my 28 dodge
Thank you, hope it can help you out! That sounds like and awesome build and welcome to the channel.
@@MongrelsGarage I saw the Princess auto connector box, where are you in Canada
@@glenmiller3783 Near Calgary, Alberta
@@MongrelsGarage cool I'm in the sw corner of Saskatchewan
@@glenmiller3783 Not too far from here then, Maple Creek south or Battle Creek south?
Awesome video! I'm currently planning out a 5.7 swap on my 03 ram 1500. Do you know if I can use a LS drive by cable throttle body and sensors with out having to recalibrate the parameters in the ecu?
I would imagine you will need to do some tuning. However the 2003-2004 Rams with a Hemi used a throttle cable and were not drive by wire, if you could find those components in a junkyard it should bolt right up. If you are using the engine from a 2003-2008 as your donor then you could use the 2004 PCM potentially, you may still need to match up the VIN which will take a programmer to do. Hope that helps you out.
I have a good question I’m glad I seen your video I have a 05 dodge magnum rt I swap my motor out with a 2009 charger srt8 6.1 that only came with the wire harness not the pcm but I keep my original pcm from the 5.7 I plugged up the 6.1 harness to my 5.7 pcm and I’m getting a no crank no start any suggestions as for what I should do next or should I hook my 5.7 harness to the 6.1
Sorry I have not played with the 6.1 stuff much, sounds like a configuration issue. I would reach out to DIYHEMI, they are awesome and very knowledgeable
Just discovered your channel ! I have Much too watch!!! Can i ask some specific questions , which HP tuners would you suggest to access my 07 Grand Cherokee 5.7 ? will i need to rewire the OBD2 port as you have here to connect to the HP tuner ? and am i correct to assume if i rewire as you have shown in this vid the engine and PCM could then be retrofitted into an older car , and operate not requiring the skim systems? Many thanks .
Thank you for the sub. There really is only one HP tuners…they have different interface tools, but the software is the same. If you want to do live data logging and a couple more advanced features then you go with the pro, but the standard package will work for this. I use the MVP2, but I believe they are now selling MVPI3 which is just the new version of the interface tool and will work fine. There is no rewire required if you are using it on an existing obd2 equipped vehicle. This video is for taking a junkyard system (from a Ram Truck) and using it in a older car (swap). You will need to wire an obd2 port into the older car. The SKIM is just the security for the PCM, you will need to reset it. I don’t go into it in this video but DIYHEMI (sublime technologies) has a specific video that shows you how to deal with SKIM.
Any idea if a termination resistor is required on the CAN interface for an 07 commander hemi PCM?
I can with all honesty say…I have no idea.
I can't get the pins to come out of the c1 connectors? How do you get them to come out, thanks.
Hello, you have to take the back cover off, then on the front side there is a red lock the needs to be pushed/pried. When looking at the front of the connector the red lock will need to go to the left. Then you need to insert a pin extractor into the front of the connector in the smaller slot to unlock the wire and gentle pull it out from the back. Here is a video I would start at around the 1:50 mark th-cam.com/video/HkmlB3fpRVY/w-d-xo.html
Hello. My plan is to swamp 5.7 hemi from dodge durango 2005 all together with automatic gearbox and transfer case. Do you have any information or video about C4 conector
I don’t have a video about the C4, but you can check this site connectorrepairkit.mopar.com/? Also Redneck Coach Works youtube.com/@glenmiller3783?si=1xPOcEdYYAJP4VJo has done this, feel free to contact him. Glen is very knowledgeable and happy to help.
Do you have info about running the NAG-1 trans in a Hemi swap ? Or know where I can get this info,I`m sure there area few ways. thanks
Sorry I don’t have a lot of information on that as I have not played around with them. I do know You will need a few things to make it work:
-Transmission Computer
-ABS computer and wheel speed inputs
-Factory shifter
-Front Control Module
Some of these items will also need to be modified.
I know there are people who have done this swap, so the information is out there. I would start with asking “Sublime Technologies” (DIY Hemi) if they know where you could find some info.
I have a 2011 1500 4.7 are the harness the same from a 5.7 to just swap it out?
No the wiring harness is physically different, you would need to get the harness and PCM for the Hemi
I use that connector site all the time as a Mopar parts advisor. Good to know my theory on using this to figure out a harness works.
Great video! It helped me out a lot. I do have a question, though. I have an 08 R/T charger. I found a 6.1 out of a 2010 challenger. based on what you said, my PCM will not run the 2010. Now, is there a way to get the 2010 PCM to function in my 08 charger? I can tell there must be a number of reasons it may not but I just wanted to know. Thanks in advance.)))
Unfortunately I don’t play with the cars much. However the 2010 may plug and play sort of. You will certainly need to program it with the VIN from your car and reset the SKIM. The 2010 PCM is still very similar to the 2008 so you may get lucky. I would reach out to DIYHEMI (Sublime Technology) to see what they have to say. They are very knowledgeable, however also very busy and might not be able to get back to you right away. Sorry I could not be more help but please let me know how you make out.
@@MongrelsGarage Thanks a lot for responding! I will let you know how it works out.
Hey I’m planning on buying a 07 Chrysler with a 2.7 because I have a totaled 22 5.7 Hemi will everything plug n play as well as the drivetrain & front & rear suspension cradle ??
No, from an electrical point of view, two different systems. From a mechanical point of view…possibly. Sorry I can’t be more specific, but I have not tried this swap. There is a good chance the front and rear cradles will bolt up as both cars were designed to have a Hemi.
Can you turn off limp in mode with this set up?
Honestly my tuning skills are in their infancy, but I would say no and additionally you would not want to, as it protects the driveline from much greater damage. What you can do possibly is address what is causing the limp mode. If there is a sensor that is no longer used after a swap you can tell the system to ignore the sensor input, for example EGR or Evap, however those type of systems rarely cause a "Limp Mode".
I have a 1958 d100 that I would like to put a 06 300 5.7 hemi in I bought complete car already removed engine and harness how much extra work on harness or is it plug and play,and throttle pedal
You will need to decide what functions you want to keep. You can leave the donor harness intact or thin it down to only the items you require. For the most part you will need to supply power and grounds to the PCM, and at least three relays. The Auto shut down (ASD) relay, Fuel Pump Relay, and starter relay (on your 06 this one can be controlled thru the PCM or be standalone). You will need certain sensors hooked up and as you mentioned the gas pedal. You will also need to be able to tune the PCM, I recommend HP Tuners, however other options are available.
Hello, please help me. I have a Jeep Wrangler 2011. How can it be run on the computer of other compatible cars without programming. The original computer is for the type of car.
Simple answer is you can’t. If you change the computer it needs to be programmed to the vehicle.
I'm swapping an 06 hemi out of a jeep grand cherokee into my 89 w100. I have just about everything wired up but I can't really find anything on the asd relay wiring. Is it in one of your videos and i am just missing it? Thanks!
Lol, ironically that’s the one video I have not made yet…it’s on my to do list, is there something specific that you needed help with?
@@MongrelsGarage I was trying to figure out which wire went to which post on the relay coming out of the c104 engine side connector. On the Mopar connector site it doesn't tell you what the wires are only tells you the circuits
It should be pin 14 on the C104, Brown and White…there is a possibility of it being brown and yellow, but believe yours should be brown and white that should go to pin 86 on the relay…this is just going off memory, I’d have to double check, pin 85 will be switched power, pin 87 will be power out to injectors and coils, etc. Pin 30 will be supplied batt power.
@@MongrelsGarage ok thanks for the info
@@RustandBucks757 No problem, let me know how it works out! Also very cool project please keep me updated, would love to see some pictures or videos.
I have a 2008 300c SRT8 complete harness and PCM i dont have the pink wire at pin 12 on the black connector do i need it?
I have not played much with the cars…mostly the trucks and they are different. If you go to Mopar connector repair site i mention in the video you can enter the information in to bring up your PCM and it will show you the connectors with Pin Outs
@@MongrelsGarage thanks for getting back to me ive been on there it shows (12 F902 20 PK IGNITION OFF-RUN-START) And its also shown on the shop manual wiring diagram but i dont have it on my c1 connector
Check your recording volume
Great information, so glad i found your channel.
I have a complete 2004 Durango chassis that i plan on putting under my 73 IH Travelall body.
I was thinking of just using a GM style universal wiring harness from painless to run the interior. Looks like the only connector i really need to touch is the white connector other than the OBDII hook up. My questions are:
How to wire the acc/start from a keyed ignition in the dash? Would i just take the yellow wire from the painless ignition to the yellow wire on the dodge harness?
Second, where would i tie in the fuel pump wire? to the PCM or straight to the fuel pump itself?
Lastly, where is the best place to get my dash sensors information and would that even work with older analog gauges?
Assuming the yellow wire from the painless harness is the start signal, then yes you would wire that to the C1 pin 30 yellow wire. I do have another video specifically for the start circuit. As for the fuel pump…it depends, if you want the PCM to control the pump then you wire in a relay and let the PCM control the ground side of the relay. As for the dash sensors there are a few options. You can install separate sensors compatible with your dash, or you can spend some time converting the incoming signals to work with your instruments, or you could even run some gauges off the OBD 2 port.
@@MongrelsGarage great thanks so much for the reply. I don’t have any tuning capabilities. Are you willing to tune my PCM for a fee or is there somewhere I can send it?
Sorry, I don’t do tuning, the good news is, depending on the PCM and application you may get away with not tuning in the short run. If you have a black key from the donor then it may not have SKIM and will fire up for you. It will throw a code for rear 02 and maybe some Evap codes but should not effect it’s running. There are a couple places that can tune though, except you might be better off getting a 2005-2008 PCM if you can as the 03 and 04 are limited as to how much tuning can be done. There is also HP Tuners that you can use yourself.
@@MongrelsGarage unfortunately my key is the large key with fob. Like you did in Ep. 38, I would have to disable the “start over can buss” right? I have the factory harness. Or is there a way to trick the computer to think I’m using the factory key. I just can’t invest hundreds of dollars for a program just to click one button off. Also, did you do the video detailing the starter, fuel pump, and asd relays?
I understand the cost concern of Programming it yourself. Unfortunately there is no way to trick it easily, you’d have to have the SKIM module and wire it in. I did do a video for the starter, but not the fuel pump or ASD relay yet.
How do I make a 2013 Chrysler 300 Hemi work in a 2006 Dodge Charger RT. I have the motor in the car. It’s only once connector that won’t plug into the 2013 Hemi motor from the 06 RT Charger wire harness.
Have a 2014 dodge charger 5.7. hemi engine with a automatic transmission. Was wondering if this year would be the same? Also wondering if I could purchase this information anywhere? Wanting to use the motor, tranny, and wiring into my 1974 dodge dart. thanks
Hello, the PCM and wiring is going to be different. If you go to “connectors.dcctools.com” you should be able to get the pin outs
I put the twisted wires in the respective ports on data link connector and still no communication with scanner
Make sure you have 12V power and your grounds as well on the data port connector.
I got it figured out thank you.
Gm morning help I have 2004 Dodge Ram 2500 5.7 hemi my harness connector to my 02 sensor melted so I went to the salvage yard pulled a connector off of a 2005 Dodge Ram 1500 to realize it a color code don’t know the Wiring schematics help
connectors.dcctools.com/home.htm Try this link, put in the two different trucks, find the applicable O2 connector and it should bring up which wires go where. Also ensure the connectors are physically the same (make sure it will plug into your sensor), they may have changed the keying but from what I can see they are the same. Hope that helps!
Looking to hemi swap a dakota eventually.
I’ve always wanted to try that! Nice thing is the Transmission should have the same bolt pattern
The easiest way to do a hemi dakota swap is to buy a BBK cable drive Hemi TB it uses all the sensors from the 4.7. And the 4.7 & 5.7 uses the same sensors just a different plug connector. So you can actually use the 4.7 harness and computer from 03 and up just change a few sensor plugs and bolt it and roll.. Hope that helps. Later dakota 5.7’s went to drive by wire just like the hemi and you can make those work super easy..
I need help have an 03 hemi and want to upgrade the computers to an 05 so I can tune my truck 03 computers are not really good with tunes
I would reach out to DIY Hemi, they have a lot more experience than I do when it comes to the older computers. I tend to deal more with the 2009 and up engines. You are correct that the 05 are far more tunable, I just can't answer how well you can plug an play, I know there are a few pin outs you will have to change, and I believe one or two of the connectors are different.
Is that hptuner program free
Hello Mark, no HP tuners is not free…but it is reasonably priced. The hardware costs $400-500 to buy comes with the software and a couple credits to do your first PCM.
Would love a hemi swap in my van
What type of van?
@@MongrelsGarage 2001 dodge b1500 ram van
@@nitewatch2.027 That would be an interesting project, what transmission is in your van? Guessing it's a 45RFE, nice thing about that transmission is it will bolt right up to the Hemi
@@MongrelsGarage I was told that, myself by acouple of other folks,,,all I know is the van came out with a 5.2 ltr with 4 speed automatic overdrive,,, 42re and 46re ... I’ll look on the BC plate and get back to you
Wish the sound worked properly 75% no sound !
Ok so if I understand you correctly the 03-08 PCM has the same computer in them. So does that mean they are wired up the same way? Like I know 03-05 is none mds and 06-08 has mds. So can I take say a 07 that had mds put in a 05 computer and skim and key switch and it will fire up and run like it was in a 05 body? Or just take the 05 pcm and change the vin number inside of it to match the 07’s vin and it’ll do the same thing? Like I have a 07 Aspen that the mds messed up and wiped out the engine. So I replaced it with a none mds 05 reman engine with nothing mds related.. But I think my pcm is taking a dump.. Thanks for any and all info you maybe able to share with me..
They are not exactly the same in computing abilities, I would stay away from the 03-04. Yes, a 05-08 should run a 03-08 engine. Some minor modifications may need to be made such as the crank sensor, but they should run it.
I just wanted to make sure dodge/Chrysler didn’t do something weird like I’ve seen with other companies and move wires around in the constructions, Where someone would have to move wires is all. Yeah I’ve heard and read that the 03/04’s are very hard to tune and that you can’t really do much at all with them.
Well I can for sure say a 05 & a 07 will not swap over. Even if you change the key, skim and pcm. I just changed all 3 and the lights would come on. And there wasn’t any security light it went off. But as soon as I went to crank it, it did nothing what so ever. Like a dead battery. TY for at least messaging me back.
Well I can for sure say a 05 & a 07 will not swap over. Even if you change the key, skim and pcm. I just changed all 3 and the lights would come on. And there wasn’t any security light it went off. But as soon as I went to crank it, it did nothing what so ever. Like a dead battery. TY for at least messaging me back.
Well I can for sure say a 05 & a 07 will not swap over. Even if you change the key, skim and pcm. I just changed all 3 and the lights would come on. And there wasn’t any security light it went off. But as soon as I went to crank it, it did nothing what so ever. Like a dead battery. TY for at least messaging me back.
Do you have an email or method of contact , you would be willing to share ? Regards Peter
You can find me on Instagram for messages.
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