This SAE Recommended Practice establishes the recommended locations for the air brake and electrical connections for the back of a truck-tractor and the front of a truck-trailer.
SAE J702-2003 history
0000 SAE J702-201301
2013SAE J702-2013 Brake and Electrical Connection Locations Truck-Tractor and Truck-Trailer
2008SAE J702-2008 Brake and Electrical Connection Locations Truck-Tractor and Truck-Trailer
2003SAE J702-2003 (R) Brake and Electrical Connection Locations - Truck-Tractor and Truck-Trailer
1985SAE J702-1985 Brake and Electrical Connection Locations - Truck-Tractor and Truck-Trailer@ Recommended Practice (May 1985)
1976SAE J702B-1976 BRAKE AND ELECTRICAL CONNECTION LOCATIONS—TRUCK-TRACTOR AND TRUCK-TRAILER