Neutral Safety Switch 1966 GTO + Full Size PontiacNeutral Safety Switch for the 1966 GTO LeMans and 66 Pontiac Full size and GP series PICTURE IS CORRECT.. CHECK PICTURE BEFORE ORDERING. PONTIAC (12) 1966 1966 BONNEVILLE(2) 1966 1966 1966 V8 389ci 6. 4L 4 BBL 1966 V8 421ci 6. 9L 4 BBL CATALINA(2) 1966 1966 1966 V8 389ci 6. 4L 2 BBL 1966 V8 421ci 6. 9L 4 BBL GRAND PRIX(2) 1966 1966 1966 V8 389ci 6. 4L 4 BBL 1966 V8 421ci 6. 9L 4 BBL GTO(2) 1966 1966 1966 V8 389ci 6. 4L 3x2 BBL 1966 V8 326ci 5. 3L CARB