Patent ID: 6909363

Claim:
For towing a trailer having right and left stop and turn signal lamps that may be either combination lamps or separate lamps, a towing vehicle comprising: a combination right rear stop and turn signal lamp; a combination left rear stop and turn signal lamp; a separate right front turn signal lamp; a separate left front turn signal lamp; a right feed terminal for feeding a right lamp of a trailer to signal a right turn; a left feed terminal for feeding a left lamp of a trailer to signal a left turn; a selector for selecting either combination stop and turn signal lamps on the trailer or separate stop and turn signal lamps on the trailer; a first circuit device operated by the selector to connect the combination right rear stop and turn signal lamp to the right feed terminal when the selector is selecting combination stop and turn signal lamps on the trailer and to connect the right front turn signal lamp to the right feed terminal when the selector is selecting separate stop and turn signal lamps on the trailer; and a second circuit device operated by the selector to connect the combination left rear stop and turn signal lamp to the left feed terminal when the selector is selecting separate stop and turn signal lamps on the trailer and to connect the left front turn signal lamp to the left feed terminal when the selector is selecting separate stop and turn signal lamps on the trailer.