Do you own 1939 Ford Mercury? If you have this classic vintage mercury, especially the very first Mercury generation, lucky you! If you really love classic cars, this 1939 Ford Mercury also must have item. For classic collectors careful maintenance is a must, so to accompany hunting this lovely car, we provide you 1939 Ford Mercury wiring diagram for Flathead engine electrical. This 1939 Ford Mercury wiring diagram come in single pictorial diagram with black-white color. If you really classic cars enthusiast, I’m sure this 1939 Ford Mercury wiring diagram is easy to understand. This 1939 Ford Mercury wiring diagram shows electrical parts wired such as cutout relay, voltage regulator, water temperature engine unit. Battery indicator, magnetic starter switch, etc. Here is full 1939 Ford Mercury wiring diagram with Flathead engine electrical.