TB 9-2320-279-13&P-4
0024
TEST 28 - Are 22 to 28 vdc measured between wires 1516A and 145 at high idle active relay R10 connector,
terminals 86 and 85?
WARNING
Remove all jewelry such as rings, ID tags, bracelets, etc. prior to working on or around
vehicle. Jewelry and tools can catch on equipment, contact positive electrical circuits, and
cause a direct short, severe burns, or electrical shock. Failure to comply may result in injury
or death to personnel.
WARNING
Circuit breakers No. 4, 5, 6, and 10 are always electrically live. Use care when working
around these circuit breakers. Failure to comply may result in injury or death to personnel.
1. Connect positive (+) probe of multimeter to wire 1516A at high idle active relay R10 socket, terminal 86. Refer
to schematics.
WIRE 451
TERMINAL 30
WIRE 145
TERMINAL 85
WIRE 1516A
WIRE 151-D
TERMINAL 86
TERMINAL 87
RELAY
R10
Figure 31.
2. Connect negative (-) probe of multimeter to wire 145 at high idle active relay R10 socket, terminal 85.
3. Multimeter should display a reading between 22 and 28 vdc. Note reading.
4. Set heavy-duty winch control station HIGH IDLE ON/OFF switch to OFF position. (WP 0015)
