ALL GAUGES ON CONTROL PANEL NOT WORKING, BUT ALL SERVICE LIGHTS COME ON CHECK ENGINE, ABS SEAT BELT, REDUCE POWER, BATTERY LIGHTS. SPEED AND FUEL ARE IMPOSSIBLE TO KNOW AS WELL AS WARNINGS TO OBSERVE FROM LIGHTS. 2004 CHEVROLET TRAILBLAZER, SPEEDOMETER WILL SHOW A FASTER SPEED THAN YOU MOVING OR WILL GO TO 0 WHILE ON THE FREEWAY. THE TACH HAS THE SAME PROBLEM. THIS IS A SERIOUS SAFETY ISSUE AND IT SHOULD BE RECALLED NOW. I HEARD THAT THEY HAD THE SAME ISSUE ON PICK-UPS AND THEY WERE RECALLED. MOST INSTRUMENT BACKLIGHTS HAVE BURNED OUT PREVENTING THE SPEEDOMETER AND OTHER GAUGES FROM BEING SEEN AT NIGHT. VERY DANGEROUS. QUICK SEARCH ON INTERNET RESULTS IN A SEVERE EPIDEMIC OF THIS PROBLEM WITH ALL GM SUV'S. A CLASS ACTION LAWSUIT RESULTED IN A NATIONWIDE RECALL FOR THIS PROBLEM FOR ALL SIMILAR VEHICLES BUT NOT THE CHEVY TRAILBLAZER OR GMC ENVOY. THIS SEEMS TO BE A CRIMINAL ACT BY GM. SOMETHING NEEDS TO BE DONE TO PROTECT OWNERS OF THESE VEHICLES. DRIVING DOWN HIGHWAY HEADLIGHTS GO OUT..WHILE DRIVING AT NIGHT THE LOW BEAM LIGHTS WENT OUT, I HAD TO DRIVE HOME WITH HIGH BEAMS ON, HTTP://WWW.ABOUTAUTOMOBILE.COM/COMPLAINT/2004/CHEVROLET/TRAILBLAZER/ELECTRICAL+SYSTEM CHECK OUT ALL THESE OTHER COMPLAINTS THERE ARE HUNDREDS OF THEM AND I AM ONE OF MANY. THIS IS SO DANGEROUS AND A SAFETY HAZARD TO OTHERS AS WELL, PLEASE GET US A RECALL ON THESE CARS THE EXPENSES ARE TREMENDOUS. *TR