The short black one (with 6296745 stamping) is 69 Chevelle / El Camino small block ground cable. It would be much longer to be a positive cable for the starter. The long one (with 2982528 stamping) is a starter cable, seems to be for a 63 6 cylinder something, not sure what though.
-- Edited by seventy2plus2 on Wednesday 9th of September 2015 04:45:06 PM