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anyone use stock dodge computer with a cummins/ 47rh conversion?? Im tryin to do it and Im lookin for a wiring diagram ---AutoMerged DoublePost--- Im putting it in a 70' ford f250 4x4 and I dont want to have to do the toggle switch set ... JOIN NOW TO REMOVE TRACER

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  #1  
Old 07-13-2011, 08:10 PM
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Default noob with cummins conversion

anyone use stock dodge computer with a cummins/ 47rh conversion??
Im tryin to do it and Im lookin for a wiring diagram

---AutoMerged DoublePost---

Im putting it in a 70' ford f250 4x4 and I dont want to have to do the toggle switch set up. Id like my dad and wife to be able to drive the truck without doing anything special to "learn" how to drive it, so Id like to use the stock computer set up.

Last edited by rustfixer; 07-13-2011 at 08:10 PM.. Reason: Automerged Doublepost
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  #2  
Old 07-13-2011, 10:33 PM
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you mean a 47 re? what engine is this, a 12 or 24 valve?
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  #3  
Old 07-14-2011, 11:23 PM
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Sorry about the lack of info, it's a 12 valve from a 1995 dodge 3500 dialog. I'm pretty sure the sticker under the hood of the donor truck says 47rh for the transmission. I have the whole truck to take parts from. Thanks for your reply

---AutoMerged DoublePost---

does anyone think the service mannual on cd from genos would help me?

Last edited by rustfixer; 07-14-2011 at 11:23 PM.. Reason: Automerged Doublepost
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Old 07-16-2011, 01:25 PM
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Bump
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  #5  
Old 07-16-2011, 03:24 PM
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What do you need the computer for? The motor and tranny are both mechanical. And what do you mean by "toggle switch setup", like what is it for? I cant think of anything you would have to use it for, my Ford works just like it did from the factory and I never touched the Dodge computer.

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Old 07-16-2011, 06:30 PM
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do you mean the 47rh overdrive automatic is all mechanical?? from what I understand they have a locking converter and the overdrive engages electricly also.
I could be wrong, Im new to the diesel world but Ive been poking around a little and thought the tranny needed to be switched electricly to work correctly
I know my friend who is helping me with this swap just completed his swap with a 12v and a nv4500 trans and he didnt need any computer/ electrical stuff because that was all mechanical....but I think the 47rh auto is different.
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Old 07-17-2011, 02:23 AM
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Originally Posted by rustfixer View Post
do you mean the 47rh overdrive automatic is all mechanical?? from what I understand they have a locking converter and the overdrive engages electricly also.
I could be wrong, Im new to the diesel world but Ive been poking around a little and thought the tranny needed to be switched electricly to work correctly
I know my friend who is helping me with this swap just completed his swap with a 12v and a nv4500 trans and he didnt need any computer/ electrical stuff because that was all mechanical....but I think the 47rh auto is different.
Ah. I researched this a little. Shifts 1-3 are controlled mechanically, but the torque converter and OD are controlled electronically, for which some people use toggle switches. I get what you're saying now. Im not sure on all that but Im sure someone else is, since I used the NV.

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Old 07-17-2011, 03:12 AM
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Using the 47RH with a "toggle switch" is extremely similar to the Ford transmission with the OD button on the shifter, and in stock form Dodge put the OD button on the dash of the 95 models.

Only difference is the torque converter lock up. if you only want the torque converter to lock in OD you can simply connect both the OD and converter lockup to the same pushbutton switch. If you want to lock up the converter in DRIVE you will need a second switch.

Most just hook them both to the same switch and put it on the dash in a similar arrangement to how Dodge did it stock.

You can get real fancy and put the button in the shifter too--there's custom ways to do anything.


EDIT--the H in 47RH stands for Hydraulic,..hydraulic valve body. The 47RE is Electric shifted with solenoids on the valve body, and will require a standalone computer.

The 47RH is the preferred transmission as it's essentially the same inside but with a hydraulic-mechanical valve body that is easier to deal with during a swap.

The 47RH also has a mechanical speedometer drive...nice feature for a swap, too.

Last edited by Mr. Miyagi; 07-17-2011 at 03:16 AM..
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  #9  
Old 07-18-2011, 10:31 PM
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computers suck.
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  #10  
Old 07-19-2011, 02:32 AM
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Originally Posted by cumminsf150 View Post
computers suck.
Agreed

Except for the fact Im typing on one right now
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