Defect
POSSIBILITY THAT STOP LAMP SWITCH BERG NO.3240, USED ON VEHICLES EQUIPPEDWITH AIR BRAKES, MIGHT 'POP' APART.IF THIS HAPPENS, WOULD RESULT IN AIR LEAKWHICH COULD GRADUALLY REDUCE BRAKE SYSTEM AIR PRESSURE TO BELOW A SATISFACTORYLEVEL.(CORRECT BY INSTALLING AN IMPROVED SWITCH WHEN NECESSARY.)