TM 9-2320-392-10-2
ELECTRICAL SYSTEM TROUBLESHOOTING - Continued 0080 00
ELECTRICAL SYSTEM - Continued
Table 2. Relay Identification.
REFERENCE DESIGNATOR
FUNCTION
VOLTAGE
PDM*
K27
Trailer B.O Stop Light
12 VDC
3
K28
Trailer Marker Light Relay
12 VDC
1
K29
Trailer B.O. Marker Light
12 VDC
1
K30
Trailer Rear Left Light Relay
12 VDC
3
K31
Trailer Rear Right Light
12 VDC
3
K34
Differential Lock Relay
12 VDC** /
2
24 VDC*
K37
PTO Relay
12 VDC** /
4
24 VDC*
K40*
Start Disable*
24 VDC*
3
K42
Engine PTO Relay
12 VDC** /
3
24 VDC*
K53
Radio Power Relay
12 VDC** /
3
24 VDC*
0080 00-5
