Matches 1 - 11 out of 11


Match Document Document Title
US20070285100 Trailer mate circuit tester  
A method for testing lighting systems in tractors and trailers. To use the tester to check small trailers; connect male cord from trailer to female connection on tester. Connect 12V power supply...
US20080265904 Trailer check  
An apparatus for checking lights on a tow trailer prior to connecting to a tow vehicle. The apparatus comprises a substantially hollow portable housing member. The portable member includes a turn...
US20090212784 Electrical lighting tester for vehicle-towed trailers  
A compact, portable electrical tester to test the functionality of the lights of a lighting system of vehicle-towed commercial and utility trailers. By virtue of the presently-disclosed lighting...
US20080231285 Trailer Lighting, Control and Signaling Circuits Tester  
An electronic circuit tester is disclosed which is utilized for the testing and troubleshooting of the various lighting, control and signaling circuits required in the towing of a trailer, vehicle...
US20100237875 Unified brake and light tester  
A portable diagnostic device for checking electrical signalling systems of for example tractors and their trailers. The device has several receptacles for connection to a corresponding receptacle...
US20120146653 Trailer Light Testing Apparatus  
A trailer light tester for supplying DC current to at least one circuit in a trailer where a seven pin female connector is rigidly and securely attached to a side or rear panel of the trailer...
US20090302858 Trailer signal converter  
A signal converter and method of converting a signal are provided. The converter includes a power supply, microcontroller and current sensor. The microcontroller is connected to a power supply and...
US20080204033 Integrated Circuit and Method for Monitoring and Controlling Power and for Detecting Open Load State  
An integrated circuit and method for monitoring and controlling power and for identifying an open circuit state at an output port is disclosed. A minimum open circuit current value of the output...
US20170100975 Automatic Trailer Lighting Control  
A vehicle includes a magnetic switch and a controller. The magnetic switch is coupled with a trailer connection receptacle housing and aligned with a magnet in a cap of the housing while closed....
US20160209452 Device and Procedure for the Monitoring of a Trailer Connection Box  
A device for the monitoring of a trailer connection box of a vehicle to which the electrical system of a trailer can be connected. The device may include a circuit having a first connection (VBB)...
US20160054365 ELECTRICAL CONTROLS FOR TESTING A TRAILER SYSTEM  
A system is disclosed for testing electrical devices on a trailer without a truck being connected to the trailer. The system includes a control cable and a test control box. When an operator...

Matches 1 - 11 out of 11