(1) Set multimeter select switch to volts DC.
(2) Connect positive (+) multimeter lead to
wire 1785 at circuit breaker CB27.
(3) Connect negative () multimeter lead to
a known good ground.
(a) If 10 to 14 vdc are not present,
replace circuit breaker CB27
(b) If 10 to 14 vdc are present, circuit
breaker CB27 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.