Ranger (Texas Ranger) TR-939WX
Documentation Project

CBTricks.com
Frequency Conversion

1. 
Remove bottom cover from radio.
2. 
On the main PCB, locate J33. (See diagram above)
3. 
Locate wires on pins marked "P5" (yellow) & "P6" (grey).
4. 
Cut wire on "P5" (yellow) and install a SPST switch in line.
5. 
Cut wire on "P6" (grey) and install a SPST switch in line.
NOTE: 
By using two of the function switches available on the radio will eliminate the need for two new switches to be installed and mounted.

 


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