(1) Set multimeter select switch to volts DC.
(2) Connect positive (+) multimeter lead to
wire 1789 at circuit breaker CB29.
(3) Connect negative () multimeter lead to
a known good ground.
(a) If 22 to 28 vdc are not present, turn
OFF ENGINE switch and replace
circuit breaker CB29 (Para 21-15).
(b) If 22 to 28 vdc are present, circuit
breaker CB29 is OK. Go to Step 15
of this Fault.
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.