I JUST FINISH CHANGING MY REAR BRAKES ON MY 1994 CADDY DISK BRAKES AN NOTICE THAT MY ABS LIGHT IS NOW ON ALONG WITH WITH MY TRACTION CONTROL .IGHT CAN YOU TELL WHY THIS HAPPEN AND WHAT CAUSED THIS TO HAPPEN . HOW DO I FIX THIS PROBLEM.

Optional Information:
1994 Cadillac COUPE DEVELLE V8

Already Tried:
CHECKED THE WIRES RUNNING TO THE DISK