2000 Jeep Cherokee ELECTRICAL

Interior problem
2000 Jeep Cherokee V6 Two Wheel Drive Automatic 134000 miles

HI MY FIRST PROBLEM STARTED WITH THE PASSENGER SIDE WINDOWS AND POWER LOCKS WOULDNT WORK SO I TOOK APART DOOR PANEL FOUND ONE WIRE LIVE WITH POWER INPLUG IN STRIP THAT CONNECTS TO SWITCH SO I MADE A JUMPER WIRE. I STARTED TO TAP INTO EACH WIRE SO THE WINDOW WOULD AT LEASE BE UP. BUT DID NOT WORK. SO AFTER DOING THAT MY DRIVER SIDE BOTH DOORS STOP WORKING AND ALSO MY GAGES AND ON TOP WARE IT HAS THE
MILEAGE, COMPASS, MILES PER GALLON, METERS DONT HAVE ANY NUMBERS BUT THE MILEAGE ON
THE IS STILL THEIR AND CAR DOESNT STAY ON ANY MORE.