Shifting out of 4lo without ABS

[06 H3]

Back track to KOH in February I broke a ABS sensor in the rear when a rock got caught in the wheel well. I recommend everyone to run them INSIDE the framerail.

I limped back to camp in 4lo got back it wouldnt shift outta 4lo with the car off and in neutral which normally works. I then fix it with electrical tape goes back to 4hi. Planned on buying a new one from Zach but kinda forgot about it seeing it never gave me an issue. Tonight I am wheeling and it rips off again right where the tape was. Cant get outta 4lo. Drove 5 miles on road in 4lo to a buddies house and fixed the wire got it in 4hi.

HOW THE **** DO YOU PUT IT IN 4HI WITH AN ABS FAULT??? There must be an easy way.

Its ticking me off...I am buying a new one tomorrow.

 

[ReconH3]

This is the electronics BS about the H3 that makes me not trust it on a real adventure. If I had the time and money I would have all electrical completely stripped and start from zero with a crate engine computer for the 5.3, an NV4500, and Atlas. It would solve 99% of the problems. I'm also interested if there is a solution for this problem since I had a torn sensor issue once, but fortunately I was in 4Hi so I just drove till it was fixed. Maybe disconnecting the battery or resetting the code might trick it long enough to be able to get back into 4Hi?


"Ex Umbris Venimus"

 

[SuperBuickGuy]

it'd be easy enough to rewire the stepper motor on the transfer case for direct engagement... 3 position switch and you're done.

OTOH, stuff like this makes hacking the BCM seem more and more reasonable.... however, it won't be me who does so; I simply don't have the time.

 

[06 H3]

I have taken out 2 abs sensors when I took out the front it was because I routed it poorly when I installed the rancho kit I turned off the truck put it in neutral with key on engine off and it would shift

The rear one won't let me change it with the key on engine off. I either have to disco the battery and clear it and quickly change it with key on engine off or pull the encoder motor. I will now carry a spare but even then I will still look for alternative ways to shift it's a PITA especially when your with a group of built rigs that have zero electronics

 

[SuperBuickGuy]

I hear you, but in today's nanny state; you can't buy a vehicle sans electronic nannies. My wife just got a Rubicon, and simply hooking up a new stereo was a lesson in that concept...

 

[CaseyS]

Look into this

http://theshiftster.com/

You would likely have to help them prototype for this particular model case to get the detent positions correct.

http://theshiftster.com/sites/default/files/images/Shiftster-1%20Installation%20014.preview.jpg

 

[CaseyS]

Also, the transfer case encoder moder is just a bipolar motor. Energize it with positive on one pole it rotates one way. Swap polarity, and it rotates the opposite way. If you can figure out the feedback status you may just be able to override the shift module and just run the motor manually with two pushbuttons. There are 4 channels on the encoder A,B,C and P. Not sure if each one corresponds to a rest position on the shaft. You could probably figure it out with a bit of time and a meter with a functioning unit.

Also I just confirmed, without an engine there it will shift! This is with a traction control failed message and a STAB SYS fail message both present in the DIC.

On a side note, in 4 low I had to hold the brake real hard to keep it still. The low end torque was just power crawling this thing at idle! Whoot!

 

[speedy]

Remove encoder motor
Start truck
Shift into neutral
Turn shaft with pliers
Drive home
Fix it later