Accessory switch amperage rating

[firedog104]

I know this is probably in the TM's, but hoping for a quick answer from someone who knows. My accessory switch (near the Engine Stop T-handle) feels like it's wearing out (sloppy), and I was going to replace it with a locking master switch. Anyone know off the top of their head how many amps typically run through that switch? Just want to make sure I get one rated high enough. It's an A2 model truck.
Thanks

 

[firedog104]

I may have posted to early in the project- it looks like this has been covered a few times. I'll do some more searching.

 

[steelandcanvas]

A switch rated at 20 amps would be more than sufficient. If you plan on running a lot of accessories, I would use the master switch to energize a relay, and let the relay contacts handle the load. In reference to your screen name, will this be used for some sort of rural fire service?

 

[firedog104]

Thanks for the reply. I actually solved my problem-I simply tightened the screw holding the handle onto the switch! I guess always check the obvious before assuming the worst. I will now loc-tite it.
My truck is for personal use/pleasure, although when I started in the fire service over 20 years ago we had an old multi-fuel deuce water tender. They always warned me not to let it roll backwards before going forward, but I never understood why. One time they actually had to jack all the axles off the ground to release the drivetrain pressure when someone (not me, thankfully) did that. Now I understand how that happened- the sprag t-case locked it up.

 

[steelandcanvas]

Where ya at in Northern Idaho? My Wife and I used to live in Nampa.

 

[firedog104]

Way up near Sandpoint, about 70 miles south of Canada. It's like a whole other state up here, and that's the way we like it!