4WD lights flashing Update:

Ok everyone,

Problem solved, Turned out only to be one (1) Speed sensor at the top of
the transfer case. An easy repair took all of five min. I did have to
disconnect the battery as the reset procedures for the GEM did not take
effect. After reinstalling the battery cable, the lights stopped blinking
and the 4WD low kicked in as normal.There was no leakage when replacing the
sensor.

Thanks to everyone for the input.

Searcher1