I bought this truck about a week ago and drove it about 300 miles back to my hometown with no trouble at all. A few days later I was out in the truck and was crossing a bridge that had a rough end on it that jarred the truck as I crossed it. As soon as the truck jarred it was like the key was shut off. Got it on the shoulder and tried cranking it over, it would crank all day but never would hit. Started checking fuses and the ECM fuse was blown. Changed the fuse, started the truck without problem and let it idle about 5 minutes. As I pulled back onto the highway I crossed a rumble strip that jarred the truck again and it immediately blew the fuse. I changed the fuse again but this time as soon as I turned the key on it blew the fuse, didn't even get to attempt to crank it. The only other problem I've encountered with the truck is the gauges acting a little odd at times. The oil pressure gauge reads low and then jumps to high kind of fast (it has a new sending unit and a fresh oil change and doesn't smoke at all so I doubt any motor issues). Also the voltage gauge always reads right at the edge of overcharging into the red but it has a new alternator and battery. After reading several websites regarding these symptoms people have suggested the ECM is bad, as they have replaced their ECMs and cured their gauge issues. Anyone have any thoughts?
have the same problem?
Sunday, February 16th, 2014 AT 3:34 PM