POWER SEATS, Lumbar Wiring Diagram for Ford Mustang LX 1990, List of elements for Lumbar Wiring Diagram for Ford Mustang LX 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, , , DEFOGGERS, POWER MIRRORS, COOLING FAN, HORN, POWER SEATS, POWER DOOR LOCKS, STARTING/CHARGING, RADIO, POWER WINDOWS, TRUNK, TAILGATE, FUEL DOOR, WIPER/WASHER, ,