4.3 MPI Injector fuse keeps blowing.

[gbouldin]

Need some help with this one. My starboard engine gave an injector fault this weekend. After reading this forum I found a blown fuse in the ECM fuse block. Tested the circuit with a multi-meter and found I had a dead short in the wiring harness. I have replaced the wires to the injectors, but I'm not sure what else is on that fuse. Any suggestions would be greatly appreciated.

 

[Fun Times]

Hi, welcome to iboats.
For a quick starting point have a look at this archived topic as post number 19 shows the MPI fuses. http://forums.iboats.com/forum/engi...es/572429-mercruiser-350-mag-mpi-blowing-fuse

 

[gbouldin]

Thanks for that tip, I'd read that one but didn't sound like they found the solution. I'm really having a problem finding a schematic that shows what is powered by each fuse. I was planning to just run new wires to each device to see if the problem stopped. Any other suggestions would be appreciated as well.

 

[Bt Doctur]

 

[Bt Doctur]

 

[gbouldin]

Perfect!
Thanks