The Scully 08936 is a PCAM 4-pole plug and cable assembly designed for use with the Scully Universal Truck Tester (08938). This specialized test cable connects the Universal Truck Tester to tank truck overfill prevention systems for comprehensive diagnostics of road tanker overfill prevention and grounding systems. The 4-pole configuration is typically used for basic thermistor or simple overfill prevention system testing applications in tank trailer operations.