Profile: Class 1 Harness, Inc. offers wire harnesses, gauges, electronic & electrical products, plumbing products and portable pumps. We are an ISO 9001 certified company. Our products are liquid filled gauges, duplex gauges, lighted pressure gauges, digital pressure gauges, dry pressure gauges, manifolds, flow-minders and floating pumps. Our ITL-40 tank level indicators display water and foam levels accurately with super bright LED technology easily viewable from 180 degrees. Our vehicle data recorder enclosures are duet-sch boxes with a single 12 pin connector (DTM06-12SA). Their connectors have 3 terminals for power-train C.A.N. (single source SAE J1939 data input) for the required engine RPM, throttle %, vehicle speed, ABS events & transmission range information and 3 terminals for seat & seat-belt status.