This Standard 4-PIN Round Transmitter from TowMate is used on TowMate TowLights that do not use an external antenna. This transmitter does not have anantenna and the electronics are injection molded to ensure that it will resistthe elements. If you are purchasing a transmitter for an existing light, youwill want to match the wire colors of the transmitter and receiver. A red wireindicates the newest and most current series of electronics & will work withthe I-MON monitor; a green wire indicates an older style prior to the series ofelectronics (Doesn’t work with I-MON). Please check your wire, and choose yourcolor before ordering. Not sure which transmitter you need give one of ourCustomer Services Reps a call @ (800) 222-6047 and they will be able to get youwhat you need. Choose from two wire colors: Red, Green Match the wire colors of thetransmitter and receiver before ordering If you have a different color or anyquestions, please call us at (800) 222-6047
