4x4 cat 420 dit blowing fuses

i have a 2003 cat 420 dit it keeps blowing the 4x4 fuse about 3-5 min after turning it on....

the problem must be between the switch and soleinde. maybe bad soleinde....

has anyone ran into this problem before?
its a snow machine and we are expected snow in the next few days
any help is appreciated
thanks

4x4 cat 420 dit blowing fuses