TOYOTA SUPRA ELECTRICAL WIRING DIAGRAM-1990 Model (Page 1 to P Power Source (7M-GE) Starting (7M-GE) AM2 ACC IG2 AM1 IG1 IGNITION SW B-W B-W (Ex. Canad A/T) B-W CLUTCH START SW (M/T) B-Y STARTER RELAY (Ex. A/T) L-O (USA) to TGRC B-R B-R (Wire to Wire Connector) From Circuit Opening Relay (See Charging) B-L B-L (M/T) MAIN RELAY FUEL PUMP NEUTRAL START SW (A/T) BATTERY STARTER START INJECT TIME SW a b c d e f Ground (M/T) a - Licensed on left fender b - Licensed on engine block c - Located under left front pillar d - Located under right front pi