MA2310 - 1968 Barracuda Under-Dash Wire Harness Replacement under-dash harness for 1968 Barracuda models. Our harnesses feature correct color wires, factory style connectors and is wrapped in non-adhesive vinyl wrap tape. Under-dash harnesses connect to various switches and sensors related to the da sh, the harness also attaches to the engine harness and runs down the side cowl panel in HU309A, 1968, 68, dart, valiant, barracuda, dash harness Dash Harness 1968 Barracuda. This is a base dash harness only. Chrysler often added separate wire assemblies (each with its own set of connectors and terminals) under separate part numbers, according to a vehicle's final assembly configuration.