Taken from the 1983 factory service manual for G and B bodies.
INST LPS 5 amps Instrument panel lights, lamp reminder buzzer A/C HEATER 25 amps A/C and heater WIPER 25 amps Windshield wiper/washer, interval wiper STOP HAZ 20 amps Hazzard/stop lights PWR ACCY 30 amps rear defog, power locks, power seats RADIO 10 amps Radio, antenna, interval wiper DIR SIG B/U 20 amps turn signals and backup lights TAIL 20 amps park, marker, liscense and tail lights CLK LTER CTSY 20 amps antenna, door locks, lamp buzzer, ignition buzzer, courtesy lights, horns, courtest light delay GUAGES 20 amps cruise ctrl, rear defog, trunk lock, seatbelt warn, courtesy light delay, lamp buzzer, temp gauge, generator gauge, brake warn, CCC system WDO CIRCT. 30 amps power windows, sunroof C/H 20 amps choke heater ECM 3 amps ECM IGN/ECM 10 amps ECM