another 4x4 actuator question

[spooky]

i recently replaced the front axle actuator on my 97 Z-71 with the electric motor upgrade along with the required wiring harness. 4 hi works fine, but when in shift into 4-low, the transmission doesn't want to shift properly. the new wiring harness is spliced into the brown transfer case wire. did i do something wrong, or did i overlook something else? thanks for any replies.

[Jeremy-WI]

4LO does affect shifting, it should shift at a slower speed. Did you use 4Lo much before the new actuator

[Silverado Brethern]

My 4 low shifts much slower and much harder than in 2wd or 4 high. always has and if it holds together right always will, thats how it's supposed to be.

[spooky]

yes i've used 4-low before mainly in sand dunes. it's as if the transmission doesn't want to shift out of first gear. it revs to 5,000 and won't shift into second.

[Jeremy-WI]

Did you cut any wires that did not get reconnected somewhere, possibly the grn/blk wire at the transfer case switch? It sounds like the PCM doesn't know its in low range and operating on the high range shift points as far as speed/throttle position go