POWER SEATS, Lumbar Wiring Diagram for Ford Mustang GT 1990, List of elements for Lumbar Wiring Diagram for Ford Mustang GT 1990:, 20a, G300 (below left front seat), Hot at all times, In-line circuit breaker (at starter relay), Left front air pump, Left front lumbar seat switch, Right front air pump, Right front lumbar seat switch, , , HORN, DEFOGGERS, COOLING FAN, POWER DOOR LOCKS, POWER WINDOWS, POWER SEATS, POWER MIRRORS, TRUNK, TAILGATE, FUEL DOOR, RADIO, STARTING/CHARGING, WIPER/WASHER, ,