(1) Remove 15 screws and two
(2) Connect positive (+) multimeter lead
to wire 1026 on circuit breaker CB16.
(3) Connect negative () multimeter lead
to a known good ground.
(4) Turn ON ENGINE switch
(a) If 22 to 28 vdc are not present,
turn OFF ENGINE switch and
replace circuit breaker CB16
(b) If 22 to 28 vdc are present, circuit
breaker CB16 is OK.
(5) Turn OFF ENGINE switch.
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.
Circuit breakers CB5, CB6, CB12, CB20, CB22, CB23 and relays R3, R13 - R19, R26, R28, R32, R33
are always electrically hot and can cause severe injury to personnel. Care must be exercised when
working under the electrical circuit board cover.