I did a search and found no real answer to this. I was hooking up my brake controler today and checked to make sure I had a fuse for the controler, but while I had the fuse box open I found there is a empty slot It says trx-off road pkg sen fuse and in the manual it says **NOTE INSERT 5A FUSE TO ACTIVATE TRX4 CAPABILTIES** Now I have a TRX4 but this fuse is missing does anyone know what this is for or what it does?

Perhaps it enables a better craw speed or idle or something from the computer when in 4wheel drive to make it better then a normal 4wheel drive?

I have know Idea!!

 

I don't know, My 06 2500 has a fuse slot for a SRT10 sub woofer, a automatic trasmisson ( I have a 6sp man) and CTD engine controler ( or some thing CTD related, 5.7 hemi)

Throw in a fuse just to see what you get!!

 

TRX4 Off-road group includes : on/off-road OWL tires, TRX4 Off-road decals, tow hooks, skid plates, anti-spin rear differential, fog lamps and Sirius sat radio.

I would say it's either for your Sirius or your Fogs. I have both and dont have a TRX package and I dont believe I have a fuse in that slot either?? I'd have to go look.


Maybe it's an "Insert fuse here to feel special" kinda deal???...lol

 

I remember a thread about the same question awhile back but I wouldn't know where to find it. I have the same thing and I put a fuse in it and I don't think I have noticed anything...

 

You never really notice things you are used to having. Take the fuse out and report back in a week to let us know what you fdont have anymore....lol