Seems wires are entangled at the spool. Unbolt bracket the glass slides on, place support for glass first(like 2x2 wood), also unbolt the motor bracket. Maybe you wiggle these two pieces out. Order new
Window regulator
Part Number: 8972184620

window regulator Right?
MSRP Core ? Online Price
$112.83 $0.00 $104.70
from http://isuzupartssite.com/parts/2000...iagram=4628365
and put it back

Ron