Have a 96 blue bird. Navistar 7.3 and Allison. Have had all door buzzers disabled and no issues. Recently when starting a loud buzzing coming from under weldon flasher location. Runs fine. Blinkers and stop lights fine. Fuses at battery good. Any ideas?
I think NY still spe'c's wig wags in their air brake equipped buses.
Everyone else gets by with lights and buzzers.
Since you don't have air brakes you have some sort of assisted hydraulic brakes.
You should hear a the sound of the hydraulic booster electric override working if you press the pedal with the engine off. It may sound a bit like a buzzer.
As far as additional buzzers are concerned, does your bus have roof hatches that have buzzers? The Transpec roof hatches can be very difficult when it comes time to get them closed properly to get the buzzers to stop buzzing.