How do i install brake light switch on dodge ram

SOURCE: 2001 dodge ram 1500 brake lights

I would guess the brake fuse ( this does not use the same fuse as the tail lights/blinkers) or the ground for the brake light bulb.

SOURCE: 2004 dodge ram 1500 rear brake light out how to replace?

Well once the tail gate is open and you take out the 2 screws on the light fixture . the light assembly shall pivot towards the outside of the box. some manipulating but the assembly shall come out.
The bulb needs a simple twist and pull .... Plug and play..

SOURCE: Reverse light switch on 1995 Dodge Ram 1500

switch is just above trans pan and below shift linkage requires a thin (crome 1" socket) to remove

SOURCE: 2000 dodge ram 1500 ram brake lights do not work,

You have a faulty brake switch under the dash. Look under the dash near the break pedal you will see a small switch that is depressed when the brakes are applied. Replace that switch. If there is now switch then you will need to have it replaced by a mechanic as it will be located somewhere in or on the master cylinder and that is something you most likely don't want to mess with.

SOURCE: dodge 2500 ram diesel no tail lights and my abs

replaced the IPM (the fuse box) it was shorted