TM 9-2320-392-10-2
ELECTRICAL SYSTEM TROUBLESHOOTING - Continued 0080 00
ELECTRICAL SYSTEM - Continued
Table 2 is used to identify relays for electrical system Troubleshooting. Refer to Printed
Circuit Board Decal for Circuit Breaker Locations.
Table 2. Relay Identification.
REFERENCE DESIGNATOR
FUNCTION
VOLTAGE
PDM*
K1
24V Ignition Relay
24 VDC
N/A
K2
12V Ignition Relay
12 VDC
N/A
K4**
Spare Relay**
12 VDC**
N/A
K5
Wiper Delay Relay
12 VDC** /
4
24 VDC*
K7
Headlight Relay
12 VDC
1
K8
Low/High Beam Relay
12 VDC
1
K9
Hazard Flasher Relay
12 VDC
2
K10
Stop Light Relay
12 VDC
2
K11
Alternator Excitation Relay
12 VDC** /
4
24 VDC *
K12
Work Light Relay
12VDC
1
K13
Rotary Warning Relay
12 VDC
2
K15**
Auxiliary Cooler Relay**
12 VDC**
N/A
K15A*
Auxiliary Cooler Relay*
24 VDC*
4
K15B*
Auxiliary Cooler Relay*
24 VDC*
4
K16**
Exhaust Brake Relay**
12 VDC**
N/A
K17
ABS Lamp Relay
12 VDC
1
K19
Start Inhibit Relay
12 VDC** /
4
24 VDC*
K20
Marker Lamps Relay
12 VDC
1
K21
Rear Left Light Relay
12 VDC
3
K22
Rear Right Light Relay
12 VDC
3
K25
Reverse Warning Relay
12 VDC** /
2
24 VDC*
K26
Neutral Start Relay
12 VDC** /
4
24 VDC*
0080 00-4
