Tait TM8105 User Manual page 33

Installing the power cable
One end of the power cable is connected to the vehicle battery
and the other end plugs into the radio's power connector.
Power connector
The power connector on 25W radios is different to the power
connector on 40W/50W radios. The following tables explain
the pin allocations for each power connector.
25W radio power connector
25W radio
rear view
40W/50W radio power connector
40W/50W radio
rear view
Pin Signal name Description
1 AGND
2 SPK–
3 SPK+
4 13V8_BATT
Pin Signal name Description
1 13V8_BATT
2 SPK–
3 SPK+
4 AGND
earth return for radio body
power source
external speaker output
external speaker output
DC power input for radio body
and control head
DC power input for radio body
and control head
external speaker output
external speaker output
earth return for radio body
power source
Radio installation 33