Quote:
Originally Posted by phattyduck
If you want it to be exactly like an OEM 01/02, the wiring is a challenge. The dash harness, cluster, etc. has to be changed (4WD ECU is needed to run the multimode transfer case). That gets you the "AWD" mode that would be great for snow driving, etc. but doesn't help much off road.
If you are going pre-01 style ADD, you'll need to grab just the 4WD wiring parts and add it to your truck. You keep your engine/trans harness and just add the wires for the transfer case switches and ADD VSVs. This is all it is for a '96-'00:
For an 01/02, you need to add the wiring/plug for the ADD relay in the cab. I wanted to have the 4WD lights on the dash, so I did an "OEM style" install.
BTW, you can drive around with the front diff engaged all the time. It won't cost you much in MPG. Even with ADD, the axles always spin. ADD just disconnects the front prop shaft and 'half' of the differential.
I did my swap over multiple weekends, daily driving in between. Front diff install one day, rear diff another day, then a long two days for the transmission and welding work for the trans tunnel. I did the wiring a few weeks after that. No problems...
-Charlie |
I see, when you put it like that it actually doesn’t seem so bad, or maybe I am comprehending it more. I don’t need it to be like OEM necessarily, we don’t really get snow here anyway so I wouldn’t be missing much. I mainly just want the system in place and to work fluently with little hassle.
I have decided to search for an 01-02 4R as that seems like that’s where most of my parts are coming from, and seeing as that there are a lot of Taco’s around here it shouldn’t be too hard to find a wrecked one. Either way, I’d probably be better off with a donor 4R anyway for parts, and like you said, make some money off the engine if its good enough to sell… that is if I don’t decide to keep it for a fun project.
Thats encouraging to see it being down while the vehicle is still in use, I was kinda afraid of my one main vehicle being down if the back up decides to give up.
All in all, I’m getting excited to start this project, its going to be hard to wait for everything to come together. I’ll be posting pictures of the progress!
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