Thermaclor Air System (smog pump) Diagram Driver's side cylinder head Engine vacuum Catalytic /' 02 S f To converters ensors 7 EEC Passenger side cylinder head Divener Bypass Thermador Air Pump Valve Valve (smog pump) F'OW Flow 4* Check valves Vacuum B . t 1 Check valve ypass air ven s 0 atmosphere 4* Flow TAD-d TAB! Vacuum reservoir 50A??? 50/33? canister White/red Vacuum to EGR wure to EEC vacuum regulaior Red wire to VPWR . Green/black Pin 37/57 Jrlchker 2-Sep-2012, wire to EEC Rev 2.0