The Jets came into the final period trailing 1-0 but scored three unanswered goals to come away with a sixth victory in seven games.
Wheeler knotted the score 8:16 into the period when he converted a pass from Mark Stuart at the right side of the net for the equalizer.
Wheeler then sealed the outcome with an empty-netter.
Brandon Bollig scored and Crawford finished with 18 stops for the Blackhawks, who dropped a third straight.
UPI Sports Results for September 20, 2014
UPI Sports Results for September 19, 2014