This wire runs from your distributor ignition points to the negative post of your coil.
Wire lead measures 21" long.
If you need to purchase the correct rubber distributor grommet for this wire, please click this link #107-015
Fits the following Cadillac vehicles:
Calais 1965-74
Deville 1958-74
Eldorado 1957-74
Series 62 1957-64
Series 75 1959-74
Sixty Special 1957-74