1998 Dodge Ram Pickup Trailer Wiring | etrailer Call 800-298-8924 to get Expert Service ordering a Trailer Wiring for your 1998 Dodge Ram Pickup. Complete installation instructions and lifetime technical support on all Trailer Wiring purchases. Lowest price guarantee on accessories for your Dodge Ram Pickup and the fastest shipping available. 1998 Dodge Ram Hitch Wiring - CARiD Dodge Ram 1500 / 2500 / 3500 1998, T-Connector 2-Wire System by CURT®. For Models without Tow Plug, 2-wire System, Location: T3/T5. This provides all you need to connect a trailer to the tow vehicle.