OVERALL ELECTRICAL WIRING DIAGRAM 20 SUPRA Power Source 1 IGN SW IG2 IG1 ST AM2 AM1 STARTER SW R 60A AM1(For USA) 60A AM1(For Canada) W W 60A POWER W-L W 120A ALT B BATTERY Rear Window Defogger and Mirror Heater 2 10A GAUGE W-L Y B-Y B B B B REAR WINDOW DEFOGGER RELAY To A/C Amplifier <26-3> NOISE FILTER N O REAR WINDOW DEFOGGER RH O RH O LH VIEW RIGHT LEFT Clock 3 BATTERY RELAY 10A IG2 DO CLOCK DO CLOCK L-R PPS/Progressive Power Steering 4 10A EFI PS ECU P-1 PPS-SO1 PUMP C2 LG-R LG-R C2 LG-R LG-R C1 P From Taillight Light RH <25-1> W-B W G-O R G-O C2 ENGINE CONTROL ECU G-O W-B L-R B-Y B-V RH-W D-B Diode(No.14e) To Engine Control Module <01-2> W-B Electronically Controlled Suspension <30-2> L-R LH RH-W W-B MERCURY SWITCH VEHICLE CONTROL MIRROR W-B L-R W-B LH RH Electric Tension Reducer 4 Speed Height System <31-1> B-R TENSION REDUCER SOLENOID C1 B-W C1 C2 BUCKLE SW B-R C2 B-W C2 B-W C2 Exhaust gas 7-5A DOME W-L W-L W-B W-B W-B W-B