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- Upon researching, we found that there is no specification addressing the SAE 2 Pin overmold connector. SAE Specification J928 addresses “Electrical Terminals – Pin and Receptacle Type” and SAE J1239 addresses 4, 5, and 8 pin trailer connectors, but there doesn’t seem to be an SAE specification for the 2 pin overmold configuration.
Seems the 2 pin overmold configuration was sort of a spin off developed in the early ’80’s using the spacing from the SAE 4 pin connector addressed by SAE J1239. So, technically speaking, the 2 pin configuration is not governed by any SAE standard, but they were developed to be compliant with SAE J928 and J1239.
Certainly, the SAE perspective was toward automotive applications, including: trailer hitch/lighting wiring, onboard mechanisms , and battery maintenance. (en)
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