Connecting To Your Vehicle's Power - Radio Shack HTX-242 Owner's Manual

Connecting to your Vehicle's Power

Follow these steps to power the HTX-242 in your vehicle.
1. Connect the black wire to your vehicle battery's negative (–)
2. Connect the red wire to a source of voltage that turns on and
!
Note: You might need to connect the red wire directly to the battery if you
experience ignition noise.
terminal or to a metal part of the vehicle's frame. Be sure the
metal part is not insulated from the vehicle's frame by a
plastic part.
off with the ignition and that can handle the transceiver's
10-amp maximum power draw.
Or, if you do not want the HTX-242 to turn on and off with
your vehicle's ignition, connect the red wire directly to the
battery's positive (+) terminal.
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