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 Pontiac vehicles:
Bonneville 1957-74
Catalina 1957-74
Firebird 1967-74
Grand Am 1973-74
Grand Prix 1962-74
Grandville 1971-74
GTO 1964-71
LeMans 1961-74
Tempest 1961-70
Ventura 1960-74