Heater blower quit working
I HAVE A 2006 GMC 4X4 8.1 6 SPEED ALSON HAS BIGGER TIRES 35'S WITH 488 GEARS.DID A TUNE FIXED SPEEDO SO ABS LIGHT ISN'T ON AND REG.TUNE I DID THE TUNE YESTERDAY SO THOUGHT I WOULD DRIVE IT TO MAKE SURE NO LIGHTS COME ON I LIKE CYCLING MOTOR TEMP UP AND DOWN TO MAKE SURE THERES NO CODES
NOW THE HEATER FAN DOESN'T WORK.TO DO THE FLASHES I TOOK RADIO FUSE OUT BECAUSE IT HAS A AFTERMARKET ONE.ALSO HAS AFTERMARKET ALARM ON IT (COULD BE SOME OF THE PROBLEM NOT SURE HOW TO DISSABLE IT)THEN REMEMBERING WHEN I DID MY CUSTOM OPERATING SYSTEM ON MY LLY DSP 5 THAT HAPPEN AND I REPLASHED IT AND HEATER FAN WORKED.SO I TRYED REFLASHING IT DIDNT WORK,TRYED REFLASHING STOCK TUNE BACK IN DIDNT WORK.SO I TOOK ECM OUT HOOKED UP TO MY BENCH FLASH DID A COMPLETE OPERATION SYSTEM FLASH WITH STOCK TUNE PUT IT BACK IN STILL DIDN'T WORK,TRYED REFLASHING IN TRUCK TUNE ONLY IN TRUCK AGAIN STILL DIDN'T FIX THE FAN,ALSO WHEN DOING THE INTRUCK FLASHES IT WOULD FALE SOME TIMES TAKING 3 TRYS TO MAKE IT WORK.I WASNT REALLY HAPPY WITH ALL THE EXTRA ELECTONICS GUESSING THAT'S A PROBLEM WITH THE FALE FLASHES.ANY IDEAS WHAT TO TRY I LOOKED AT FUSES MARKED HEATER OR WHAT MIGHT BE RELATED TO BLOWER MOTOR.WHATS FUNNY IS I DROVE IT LAST NIGHT I WOULD THINK I HAD THE HEATER FAN ON JUST NOT SURE,I HAVENT TRYED A COMPLETE OPERATING SYSTEMS FLASH IN THE TRUCK (ONLY BENCH TOP)BECAUSE OF THE FLALED TUNE FLASHES THINKING COMPLETE OPERATING FLASHES WOULD KILL THE ECM IF IT FALES ? ANY IDEAS WOULD BE GREAT CUSTOMER WANTS TRUCK BACK SOON THANKS SORRY MY TYPING SUCKS I KNOW
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