TM-9-2320-273-10

TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; OPERATOR’S MANUAL

DECEMBER 2012

TM-9-2320-273-10 - Page 117 of 452

Table 15. Circuit Breaker and Relays

.

1

2

3

Figure 15. Circuit Breaker and Relays.

Key

Control/Indicator

Function

1.

Service, Blackout,

and Trailer Lamp

Relays

There are nine relays on this panel that function when the

tractor and trailer lamp switches are switched on and off.

There is nothing the operator can do to these relays if a

problem is experienced in one of the lamp systems; notify

Field Maintenance.

2.

Starter Relay

This relay energizes and closes the starter solenoid

circuit. Operator can do nothing to this relay if the starter

becomes inoperable; notify Field Maintenance.

3.

Relay Identiﬁcation

Decals

Below each relay is an identiﬁcation decal that identiﬁes

the component or components controlled by that relay.

Field Maintenance uses the decals to identify relays when

troubleshooting a problem.

TM 9-2320-273-10

0005

0005-19