9 Pin Relay Wiring Diagram. This was used on Western Unimount and some early Ultramounts. 4 Pin Relay 4 pin relays use 2 pins 85 86 to control the coil and 2 pins 30 87 which switch power on a single circuit.
9 pin relay wiring a square diagram 67 camaro latching 8 ladder 5 schematic emergency flasher without box western 11 the 1967 headlight how to connect dpdt in circuit ezgo brake light ford diagrams towing centres uk ltd fisher plow unimount harness for chevy lgt 132b turn signal assy 16 of 24v ii kit system 2b hb sno way schematics msd 6a latch 2. Since the common pins are determined thus another one remaining pin in the connected pins detected in step 3 must be the normally closed NC pin. Some of these early revision harnesses also have a diode in the ground wire to the headlamp relays.
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This was used on Western Unimount and some early Ultramounts. Early 9-pin harness revisions 19 and 12-pin harness revisions 17 have a ground circuit in which the control motor relay and headlamp relays all ground through the 9- or 12-pin connector. 9 Pin Flasher Relay Wiring Diagram. The following diagrams show some common relay wiring schemes that use 4 pin ISO mini relays.