(1) Set multimeter select switch to volts DC.
(2) Connect positive (+) multimeter lead to
wire 1784 at circuit breaker CB28.
(3) Connect negative () multimeter lead to
a known good ground.
(a) If 22 to 28 vdc are not present,
replace circuit breaker CB28
(b) If 22 to 28 vdc are present, circuit
breaker CB28 is OK.
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical circuits, a
direct short may result. Damage to equipment, injury or death to personnel may occur.