Component Tests: Transmitter

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Open transmitter and remove batteries. Connect 2 new 1.5-volt dry-cell batteries in series. See Figure. Connect battery positive terminal to battery receptacle side terminal and battery negative terminal to bottom terminal in order to provide 3 volts to transmitter. Attempt to operate door lock by remote control. If door locks operate, replace batteries. If door locks do not operate, replace transmitter and reprogram. See TRANSMITTER PROGRAMMING .