99 379 blowing acc fuse

In what area of the engine wiring harness was this at ; its location!

 

Hello My 1992 Peterbilt 378 Daycab is doing the same thing, I unplugged both of my speed sensors and rode around for 30 miles and plug them back up and it didn't blow for about 3 weeks it started doing it again; it's doing funny stuff like yesterday, my truck was getting a little warm and I flipped my manual engine fan and my buzzers and tach,battery volt meter worked while the fuse was still blowed, I could flip the manual fan switch on and off a couple of times and each time the tach and battery bolt meter would work until I let the manual fan switch stay on!!

 

What all does the acc fuse run second down on the right

 

My 2005 is doing the same thing except the one side has become a ground in the fuse block. Any help would be great

 

hi, did you get this figured out? im having the same issue, fuse blows right away, customer had re and re'd dash for interior paint, no speedo, no tach all wiring from the ecm and the speed sensor is testing good.

The ACC feed fuse

 

Has anybody figured out this issue or can point me in a direction to start tracing wires. Thanks in advance