Used wiring harness assembly specific to 1969 Mercury Cougar or Ford Mustang with H code 351W-2V or M code 351W-4V engines. Jumper harness about 9-1/2 inches long. Goes between the cowl plug for the engine gauge feed harness, and the engine gauge feed harness. Special with a 2 ohm resistance wire for the temperature gauge / sending unit. We believe that this wire harness was used specifically with the factory installed temperature sending units for 351W engines in 1969.
Ford part numbers C9ZZ-14K064-A and C9ZB-14K064-A.