Hazard Warning Switch: Testing and Inspection
LIGHTING: HAZARD WARNING SWITCH: INSPECTION
INSPECTION
1. INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:
If the result is not as specified, replace the switch assembly.
(b) Connect the battery positive (+) lead from the battery to terminal 4 and battery negative (-) lead to terminal 1, then check that the illumination comes on.
OK:
Illumination comes on.
If the result is not as specified, replace the switch assembly.