Electric Fan Motor Wiring Diagram - 30A Relay & Temp Switch (1995 Ford Bronco)

This document is a simple, hand-drawn (computer-sketched) wiring diagram showing how to wire an electric motor, most likely an electric cooling fan, through a 30-amp relay controlled by a temperature switch, uploaded to the gallery of a 1995 Ford Bronco. The diagram contains four labeled components: an "Optima" battery (drawn as a yellow box), a "30A relay," a "Temp switch," and a "Motor." A heavy dark-red power wire runs from the battery to the relay, and a blue wire carries switched power from the relay to the motor. The motor and the relay each have their own chassis ground connections (shown with standard ground symbols), and the battery is also grounded. The temperature switch is wired into the relay's control circuit, with a thin trigger wire running back toward the battery side, so the switch energizes the relay coil and the relay handles the high-current load to the motor. A reader can learn the basic relay-triggered fan/motor circuit layout: battery feeds the relay, temp switch triggers the relay, relay powers the motor, and both relay and motor are grounded. No fuse values (other than the relay's 30A rating), wire gauges, pin numbers, or part numbers are given.