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Need Help With 88 Thru 92 Dodge Cummins Wiring


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#1 jdcrawler OFFLINE  

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Posted July 16, 2012 - 04:21 PM

This is the wiring diagram for a 89 thru 92 Dodge Cummins manifold heater electronic control module.

Posted Image


This is a new electronic control module made by Cummins.
The wire colors on this ECM are not the same as my Dodge diagram.

Posted Image


This ECM has a 6-wire plug marked A thru F from left to right as it is shown in the photo with the clip facing up and the two wire plug is marked A - B.

Colors are :
( 6-wire )
A - blue
B - red
C - orange
D - purple
E - green
F - brown

( 2-wire )
A-black
B-yellow

Do you have a 89 thru 92 Dodge Cummins ?
If so .. can you tell me what color wire is going into which position on the OEM plug so I can then match them up to the wires on my plug ?

I sure would appreciate any help I can get.
A photo of the factory plug and wires would be really great.
My email is: jdcrawler@yahoo.com

#2 MH81 ONLINE  

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Posted July 16, 2012 - 06:16 PM

I found this website with 4 pdf's of cummins engines, but am unsure if any are helpful.

http://dodgeram.org/.../ECM/index.html
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#3 Alc ONLINE  

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Posted July 17, 2012 - 06:36 AM

Does this help ? Al

Attached Files


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#4 jdcrawler OFFLINE  

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Posted July 17, 2012 - 07:21 AM

Does this help ? Al

Thank you for the diagram, Al

The ECM on that diagram has 10 wires and my ECM only has 8 wires ?

#5 Alc ONLINE  

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Posted July 17, 2012 - 08:49 AM

Ray that was for 1990 single board engine controller , I'll see if I can find maybe another year which might have the correct# of wires on the controller , Al
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#6 jdcrawler OFFLINE  

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Posted July 17, 2012 - 09:12 AM

Ray that was for 1990 single board engine controller , I'll see if I can find maybe another year which might have the correct# of wires on the controller , Al

Thanks, Al

I was told that this was for a 89 - 92 Dodge Cummins but I'm thinking that it may not be for a Dodge at al and might be for tractor, boat or something else.

#7 NUTNDUN OFFLINE  

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Posted July 17, 2012 - 10:20 AM

I will give my one friend a call. He had a 91 Dodge with a Cummins in it. I am not sure if he still has it though. If he does I will go over and get some pics.
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#8 NUTNDUN OFFLINE  

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Posted July 17, 2012 - 10:25 AM

Ray, another good place to check while I am thinking of it is the TDR. Turbo diesel registry. I don't know if you are a member there or not, I used to be a member there back when I had my Dodge's. Wish I still had them but life happens and I had to sell them.
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#9 ducky ONLINE  

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Posted July 17, 2012 - 10:26 AM

JD, were do they hide that module? Can not locate mine.
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#10 jdcrawler OFFLINE  

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Posted July 17, 2012 - 10:33 AM

I went to our local Dodge dealer this morning and it turns out that this is not a ECM for the Dodge trucks.
The 89 & 90 Dodge truck used a ECM like this but it has 10-wires and this unit only has 8-wires.

#11 jdcrawler OFFLINE  

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Posted July 17, 2012 - 10:34 AM

.... GOOD NEWS .... I found a wiring diagram and operating instructions for this ECM.

....Thank you all for your help in trying to figure this problem out. .....

This unit was part of a kit put out by Cummins to put the cold start system on 4-cylinder and 6-cylinder industrial engines.
Posted Image
Posted Image

Edited by jdcrawler, July 17, 2012 - 10:39 AM.

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#12 bh115577 ONLINE  

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Posted July 17, 2012 - 11:35 AM

If you ever need Mopar or Cummins info this is the best place I've found. Very knowledgeable people and always willing to help out.

http://articles.mopar1973man.com/
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