On your 2004 Mitsubishi FUSO FE-145, You will need to find a 12-volt signal of the brake light wiring when installing a brake controller. The best location would be to tap into the brake light wiring anywhere after the lighting control module.
This signal will be 12-volt and will allow your controller to operate without causing any issues with the lighting module on your Mitsubishi.
If you have not decided on a brake controller, then I recommend the Tekonsha Voyager # 39510. The Voyager... view full answer...