Table 3-5. Troubleshooting (Cont)
Test or Inspection
ELECTRICAL SYSTEM (CONT)
40. LOW PRESSURE WARNING BUZZER WILL NOT SOUND.
Vehicle MASTER disconnect switch must be ON, ignition switch set to ON, and air
pressure relieved. Failure to do so will cause erroneous results.
Refer to wiring diagram for all wiring repair steps.
Check for +24 VDC between wire 33 (1) and ground at low pressure warning buzzer
If +24 VDC is present, disconnect connector (3) and replace
low pressure warning buzzer.
If +24 VDC is not present, repair wiring 33 between indicator
(gage) and low pressure warning buzzer.