I HAVE PLUGED IN ALL THE PLUGS ON MY AE82 4AGE ENGINE AND JDM MANIFOLD. THE ENGINE RUNS ONLY ON AEROSTART HAVENT LOOKED INTO Y THE INJECTORS ARNT WORKING BUT I FOUND 2 SPARE PLUGS THAT REACH TO BEHIND THE PLENUM CHAMBER, LOOKS LIKE THEY MAY GO 2 SUMMIN ON THE FIREWALL, ON THE WIRING LOOM AND WONDERED IF THERE IS SPOSE TO BE AN INJECTOR MODULE OR SUMMIN? GOT A YELLOW CIRCULAR PLUG WITH 3 PINS AND A BROWN RECTANGLE 2 PIN PLUG.?