Kenwood TM-451A User Manual download pdf (Page 12)

Dismantle fuse holder.

Passenger compartment

To prevent the risk of short circuits, disconnect other

wiring from the negative { —) battery terminal before

connecting the transceiver. Confirm the correct polarity

of the connections before attaching the power cable; red

connects to the positive ( +) terminal, black connects to

the negative ( —) terminal. Use the full length of the

cable without cutting off excess even if the cable is

longer than required. In particular, never remove the

fuse holders from the cable. After completing

transceiver connections to the battery, then reconnect

any wiring removed from the negative terminal.

If the power cable must be routed through a hole in the

vehicle chassis or body, for example in the firewall at the

front of the passenger compartment, use a rubber

grommet to protect the cable from abrasion. The entire

length of the cable must be dressed so it is isolated from

heat and moisture. After the cable is in place, wind heat-

resistant tape around the fuse holder to protect it from

moisture. Tie down the full run of cable.

The vehicle battery must have a nominal rating of 12 V.

Never connect the transceiver to a 24 V battery. Be

sure to use a 12 V vehicle battery that has sufficient

current capacity. If the current to the transceiver is

insufficient, the Display may darken during transmission,

or transmit output power may drop excessively.

Only after completing the installation, connect the

transceiver’s power supply connector to the DC power

cable. Press the connectors firmly together until the

locking tab clicks.

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Kenwood TM-451A User Manual Page 12