I WOULD HAVE THOUGHT IF J CABLES WERE REVERESED IT SHOULD HAVE BLOWN A FUSE I HAD A SRT 6 THAT DID THE NO START SAME AS YOURS AND IT WAS A DEFECTIVE ECM THIS HAS A 7YEAR/70,000 ARE 8/80 BECAUSE IT IS CONSIDERED PART OF THE EMISSION SYSTEM. tHE DEALER TRIED TO CHARGE 3000 TO REPAIR said no warranty. TOOK IT TO ANOTHER DEALER AND GOT IT REPLACED UNDER WARRANTY