Socket contacts: ; 752-5679 752-5679 , ; 752-5672 752-5672 , EndBells link: ; 752-5688 752-5688 , ; 752-5691 752-5691 , ; 752-5682 752-5682 , ; 752-5694 752-5694 , wire seals: ; 752-5698 752-5698 , ; 752-5708 752-5708 , Wire filler: ; 752-5701 752-5701 , crimp tool: ; 752-5705 752-5705. ITT Cannon Connectors APD Series Plug Connectors 4 Way. ITT Cannon connectors APD series plug connectors 4 Way are suitable for connector applications such as sensor and traction/brake control systems, lighting systems and other automotive connector uses. The APD series plugs small form and high power handling make them ideal for many applications. Durable hard wearing connectors derived from ISO 15170.