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1993 D350 wiring harness

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Old 05-31-2012, 05:39 PM
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1993 D350 wiring harness

I fried the wiring on my 1993 D350 Diesel Automatic. Shop told me to scrap it because they could not find replacement harness. Hope some of you can help. Anyone know what else is compatible? Local junk yard has a 1991, anyone know if harnesses are the same? How about D250 instead of D350 of same year? Lastly, anyone have a wiring diagram they would be willing to post?
Old 05-31-2012, 08:28 PM
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Go buy a bunch of different colored wire spools. Grab a piece of paper and just start running a wire at a time and make your own diagram for future references. That's about the best I have figured for my trucks wiring mess.
Old 05-31-2012, 08:35 PM
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The harness from a '92 or '93 diesel will work. D or W, 250 or 350, makes no difference.

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Old 05-31-2012, 08:57 PM
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Which harness did you fry? There's a engine, dash, door, cab and chassis harnesses. Also auto and 5spd trucks use the same dash harnesse and only slight differences in the chassis harness
Old 05-31-2012, 09:53 PM
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Originally Posted by gyman98
Which harness did you fry? There's a engine, dash, door, cab and chassis harnesses. Also auto and 5spd trucks use the same dash harnesse and only slight differences in the chassis harness
Fried engine and cab.

Faith, is this a no to the 91 or just that you know 92 will fit a 93.

Thanks for the help.
Old 01-06-2019, 02:43 PM
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harness

Originally Posted by EdParker
I fried the wiring on my 1993 D350 Diesel Automatic. Shop told me to scrap it because they could not find replacement harness. Hope some of you can help. Anyone know what else is compatible? Local junk yard has a 1991, anyone know if harnesses are the same? How about D250 instead of D350 of same year? Lastly, anyone have a wiring diagram they would be willing to post?
I have a 1993 engine harness
Old 01-06-2019, 02:44 PM
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i have a 1993 d350 engine harness
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clemente80 (04-26-2020)
Old 01-06-2019, 02:52 PM
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Originally Posted by Donald Gleason
i have a 1993 d350 engine harness

I have one of those harnesses to, but I am guessing he has fixed the problem, or sold the truck, as this thread is about 7 years old.
Welcome to DTR anyway, Donald.
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Old 01-06-2019, 06:50 PM
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do you know of anyone with a 1992 d250/350 cummins engine harness
Old 01-06-2019, 09:05 PM
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Originally Posted by Donald Gleason
do you know of anyone with a 1992 d250/350 cummins engine harness
oliver
Old 01-07-2019, 12:07 AM
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Or try car-part.com.....they link 1000's of junkyards.
Old 06-06-2020, 09:20 PM
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Originally Posted by Donald Gleason
i have a 1993 d350 engine harness
Originally Posted by Donald Gleason
I have a 1993 engine harness
Do you still have the harness?
Old 06-06-2020, 09:22 PM
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Originally Posted by oliver foster
I have one of those harnesses to, but I am guessing he has fixed the problem, or sold the truck, as this thread is about 7 years old.
Welcome to DTR anyway, Donald.
Do you still have the harness?
Old 06-07-2020, 07:41 AM
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I have every wire harness for a '92/'93 Cummins truck.
Which harness do you need?
Engine bay?
Engine harness?
Dash harness?

PM with your details.

And the earlier questions about '91 harnesses...yes the 91.0 is different that the 91.5 harness, which are both different from the '92/'93 harness. The '89-'90 harnesses can be interchanged. So that said, there are 4 different engine bay wire harnesses for the 1st gen Dodge Cummins trucks.
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Old 06-07-2020, 02:41 PM
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Originally Posted by oliver foster
I have every wire harness for a '92/'93 Cummins truck.
Which harness do you need?
Engine bay?
Engine harness?
Dash harness?
I'm not sure can you email me directly Firehydrant404@yahoo.com I think its the engine harness its the one with two big plugs and hooks to the injector pump and other sensors.
PM with your details.

And the earlier questions about '91 harnesses...yes the 91.0 is different that the 91.5 harness, which are both different from the '92/'93 harness. The '89-'90 harnesses can be interchanged. So that said, there are 4 different engine bay wire harnesses for the 1st gen Dodge Cummins trucks.
I'm not sure can you email me directly Firehydrant404@yahoo.com I think its the engine harness its the one with two big plugs and hooks to the injector pump and other sensors.


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