auto to 6speed conversion - Diesel Bombers



5.9L CR Performance Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection Related To Performance And Longevity

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Old 04-16-2011, 03:03 PM
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Default auto to 6speed conversion

I have a 2004 cummins with a 48re transmission and when im done with collage in about 3 weeks i am going to convert it to a 6 speed as a little present to my self...ive done auto to nv4500 swaps plenty of times but never 6 speed with all the electronics on a commonrail....i was wanting some advice on what all i will need to make it work and whether to go with the nv5600 or the g56 tranny thanks guys
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Old 04-17-2011, 02:23 AM
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A new flywheel, the hydraulics, and the tranny and clutch of your choice.

You might have to have the dealer reflash it to complete the switch from the auto to manual, but that's about it.



Oh, and a lot of time and patience.
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Old 04-17-2011, 08:34 AM
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dont forget to over ride your neut safty
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Old 04-17-2011, 11:29 AM
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if you search i posted this swap on here all info ya need good luck
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Old 04-19-2011, 12:19 PM
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Thanks guys very helpful information but is there different harness you have to get rid of or change because of the automatic or anything like?
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Old 04-19-2011, 03:52 PM
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remove the shift cable and tuck/tie up wiring, for reverse lights get the run a power to the on side of the switch on the trans and a wire to the reverse light from the other side of the switch
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Old 04-19-2011, 05:29 PM
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ok thank you red sled
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Old 04-20-2011, 09:04 PM
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I was reading somewhere you have to replace the hole wiring harness and i was wondering if you had to do that?
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Old 04-21-2011, 03:01 PM
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na i just pinned my N safety and wired up reverse thats all i tied up the old auto harness
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Old 04-21-2011, 03:13 PM
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Quote:
Originally Posted by 07redsled View Post
na i just pinned my N safety and wired up reverse thats all i tied up the old auto harness
did the same minus the reverse who needs back up lights
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