HELP 94 DODGE RAM 1500 ECM

[john.brown0702]

I HAVE A 94 DODGE RAM 1500 5.9 V8 MAGNUM AND I HAVE A SHORT SOMWHERE THAT KEEPS BLOWING THE ECM FUSE UNDERNIETH THE FUSE BOX. DOES ANYONE KNOW WHAT KIND OF FUSE THAT IS AND HOW I CAN FIND THE SHORT TO GROWND