ECM fuse problem HELP!!!
ECM fuse problem HELP!!!
hey guys i posted this in electronics and i got little help hopefully you guys can relate to this and help me out I was driving home on my lunch break to get some food and while getting on the freeway the car stopped getting fuel and died then wouldn't start again. I got it to my favorite autoshop on a hook and we found it blew a ECM fuse. We tried to figure out why by looking at wires and all looked good. We plugged in a new fuse and the thing was ready to rock and roll again. Then i drove home and it blew the fuse again when i reved it past 3000 so i put in another fuse and nursed it back home. So do you guys have any ideas why it is drawing over 10 amps? I'm fairly sure it is a short somewhere. Do you guys have any idea where, is this a common problem? thanks a lot for any help.
Maybe the wiring harness near the engine is rubbed through, try wiggling wires. I found a sheet metal screw that was going through a bracket at the rear of the engine by the firewall sticking into the large engine harness on an 88 TPI , wasn't shorting all the time.
Junior Member
Joined: Aug 2003
Posts: 43
Likes: 0
Car: 1987 Monte Carlo SS
Engine: 406 w/TPI
Transmission: 6-speed
Same thing happened to me... my harness was rubbing and unknown to me it was making contact with a sharp object, it drove me NUTZ!!! It would blow the ECM fuse, I would replace it and it would idle all day but as soon as I started driving and the rpms went past 3000 it would blow the fuse again!!!
Check out the harness and run your hand under it to make sure it's not against a sharp or hot motor part.
Good luck!
Check out the harness and run your hand under it to make sure it's not against a sharp or hot motor part.
Good luck!
Junior Member
Joined: Aug 2003
Posts: 43
Likes: 0
Car: 1987 Monte Carlo SS
Engine: 406 w/TPI
Transmission: 6-speed
No problem... I had to laugh that day.. I had blown fuses ALL over the floor ...I finally put in a 30 amp circuit breaker till I found the problem! (I was going broke buying fuses!!!) 
Hope you get well soon... AND your ride too!

Hope you get well soon... AND your ride too!
Last edited by Krag; Aug 12, 2003 at 01:53 AM.
those electrical problems can drive you crazy. Especially when you cant fix them. With any luck i'll be out of the sling in a week and ready to rock and roll. They said in motorcycle safety school that no one sees you when you're on a bike and getting in an accident is not a matter of "if" it's a matter of when. And it had to be the shifting hand too, go figure. Hopefully the beast will be running again soon.
Thread
Thread Starter
Forum
Replies
Last Post
Ghettobird52
Tech / General Engine
16
Jul 5, 2024 11:18 PM





