TOYOTA SUPRA ELECTRICAL WIRING DIAGRAM-1987 Model (Page Power Source Starting 1 2 A B C D E F IGNITION S/W G H I ACC P-L W AM1 IG1 B-Y B-W STI B-W W-R AM2 IG2 B-O 1 B To FL Fuse (AM) (1-8) To E1 (1-G-1) To Headlamp Cleaner Motor (3-3) W-R B B W W B USA A/T B W 2 B-Y 40A F-AM1 40A F-AM2 STARTER RPM (Canada A/T) RELAY B B (USA A/T, M/T) B B-Y W W 2 2 B-W L-O (USA) (Canada M/T) B B Br-L B-L (M/T) B-W (M/T) To ALTERNATOR (1-8) B-W 80A F-ALT W From Cruise Control Computer or Cruise Control Clutch S/W (5-2) B-W B-W From TEMS B-W B-W Computer (3-7) (A/T) W B-W INHIBITOR START B-L (M/T) SW (A/T) FL-ALT 2.5B B BATTERY STARTER a b c d f Ground points a = Located on left fender b = Located on engine block C = Located under left front pillar d = Located