12/30/2023 0 Comments 12v light switch wiring diagramKeeping the wires neat and your connections secure also presents a challenge for many installers. We understand the difficulties of wiring and installing accessories onto a vehicle. Most relays use the same pin number / power routing but always check with the manufacturer prior to installing their relay. You could also use your vehicle ignition (accessory) input from your key to turn on different devices such as a fuel pump, running lights, etc.Ībove is an example of the most common relay you will find on the market. By using a relay you can run the power through it instead of the switch, and instead use the switch to simply turn on the relay. These are typically used in order to reduce the amount of power that will be running through a switch. Meaning for the switch to be "in use" someone will have to push it either up or down and hold it.Ī relay is simply an electronic switch that operates using an electrical coil. These switches offer momentary switching both up and down. However, if you are wiring in a winch this would be the switch for you. Wiring is a bit different on these but essentially the same concept. These are commonly used for engine starters. The 6 pin rocker switches offer a latching element as well as a momentary side. 6 pin have a couple variation options but are generally a On / Off / Momentary On. 5-pin switches are what's called a "single throw" switch. There are variations of these switches bust for most cases people use 5 or 6 pin rocker switches. There are a number of different switches that can be used to wire in an accessory but generally most people use rocker switches. The downside to these switches is that they usually are not lighted. You simply run power through the switch in order to control the electricity flow. Two pin switches are the easiest to understand and wire. We usually like to wire this to ignition which is easily pulled from the fuse box or a running light on the vehicle. *Some modern lights now have backlighting which is generally represented with a blue wire. You should always verify which wire is which by referring to the instruction manual before wiring them in. The red wire is generally your power wire, and black is generally the ground. Most accessories only require power (12V+) and Ground (-). Wiring on the device side is fairly simple. We'll break things down in this article to try to make things as easy as possible. This is important so that you can select the correct wire gauge and fuse rating. *Always figure out the amp draw of whatever device you will be using for each circuit. Although 12V systems are fairly safe you should consult a professional before attempting wiring yourself. However, it can become confusing, time consuming, and open up the possibility for problems if not done correctly. Wiring in accessories is not necessarily difficult.
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