(1) Set multimeter select switch to
(2) Connect positive (+) multimeter lead
to wire 1020A at oil pressure
(3) Connect negative () multimeter lead
to a known good ground.
(4) Turn ON engine switch
(a) If 22 to 28 vdc are not present,
perform Step (5) below and
and repair wire 1020A (see
schematic Fig 2-40) or notify DS
(b) If 22 to 28 vdc are present,
wire 1020A 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.
Alternator is capable of producing over 40 vdc. Be careful when taking a voltage reading not to get shocked.
STEERING WHEEL SHOWN
OIL PRESSURE SWITCH