| 摘要 |
A circuit ( 26 ) for configuring a seven-terminal receptacle socket ( 10 ) in a towing vehicle to properly accommodate the particular one of several possible electric circuit configurations in a particular trailer that is being towed by the towing vehicle. The particular electric circuit configuration in the trailer-FIGS. 3, 4, 5, 6 are four possible configurations-depends on the particular lamps ( 52, 54, 56, 58, 72, 74 ) and brakes ( 50, 80 ) in the trailer.
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