WE ARE HAVING SERIOUS ELECTRICAL ISSUES WITH OUR 2003 CHEVROLET SUBURBAN 1500 Z71. IT STARTED WITH THE SEAT WARMERS ONLY WORKIING OCCASIONALLY, THEN WHEN I WAS TRYING TO START IT ONE DAY THE DS AUTOMATIC POWER SEAT DEPLOYED ME AND SMASHED MY CHEST AND LEGS ALL THE WAY INTO THE STEERING WHEEL AND DASH I WAS PINNED AGAINST THE STEERING WHEEL AND DASHBOARD UNTIL MY HUSBAND HEARD ME SCREAMING AND CAME TO GET ME - IT DID THIS ON ITS OWN, I HADN'T TOUCHED A THING OTHER THAN TURN THE KEY TO START POSITION. THEN THE DS POWER SEAT BUTTONS STARTING WORKING IN REVERSE I.E. PUSHING FORWARD ON THE BUTTON SENDS YOU BACKWARDS AND PUSHING BACK SENDS YOU FORWARD, THEN THE SERVICE 4WD LIGHT CAME ON THE DIC AND STAYED ON FOR AWHILE, THE SEAT WARMERS STARTED TO WORK AGAIN ON OCCASION AND THEN QUIT ALTOGETHER...AGAIN., NOW THE CLUSTER PANEL ...SPEEDOMETER, RPM AND OTHER GAUGES ARE INCORRECT MORE OFTEN THAN NOT. WE ARE HAVING TO USE A GPS TO MAINTAIN SPEED LIMITS. *TR