Four-prong socket has 11/16" external hex. Nic-
kel/chrome finish. Services: 1988-90 GM Cava-
lier and Sunbird, 1988-90 GMT400 pick-up tru-
cks C and K, 1989-90 Lincoln Town car and
Continental, 1990 Toyota C army and Celica,
Chrysler/Mitsubishi tazer and Eclipse, Mitsubishi
Galant and Sigma.