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TowMate, TM500-315, Wireless Transmitter Instructions 

 

Operation 

 

1.

 

Locate the receptacle on the truck designated for trailer/towing lights. 

2.

 

Firmly plug your TowMate wireless transmitter into the receptacle making 
sure the latch on the door locks the transmitter in place by latching to the 
notch on the body of the transmitter. 

3.

 

The unit should now send wireless signals to your TowMate wireless tow 
light in correlation with the trucks’ signals. 

 

*Notes:  

TowMate wireless transmitters are wired to the most widely  
used pin configurations, however there may be some truck 
manufacturers who wire their receptacles counter to the 
standard.  
 
If your unit does not operate properly, please consult the trucks 
manual to verify how the receptacle is wired and compare it to 
the below pin-outs of TowMate wireless transmitters.  
 
If the wiring matches up but the unit is still not operating, be 
sure the ground pin is grounded to the truck chassis in order to 
eliminate the possibility of a ‘floating ground’ that could cause 
the unit to not operate properly/at all. . 
 
 

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