We hope this site can help you plan your next road trip. The remaining switch wire attaches to a 12 V power source. This is a simple process with no extra tool or glue required! Use a female spade connector to make the connection if your switch has blade terminals, and a ring terminal connector if the switch has screw terminals. 12V LED strips come in reels of 16.4 feet (5m). the dimmer switch will have 3 wires. I see them selling for under $2USD on aliexpress. Pull one of the wires through the firewall (where the car electric harness passes through) and up to the positive post on the battery (this will be the LED power wire). Test your equipment before installing it (switches and lights). Hi, are the 12V recessed lights you have a link too dimmable with the suggested switch? To do this, strip a little extra off of each of the 4 wires (about 3/8-1/2″ of wire exposed) and twist the exposed wire together. Check the LED data sheet to identify the anode and cathode. SWBX42 12V Rocker Switch Box [4 x 15A ON/OFF] [2 x 5A Momentary] [70 Amp Max.] I’d like to do the same thing. Because LEDs draw so little power, you can usually string together as many LED’s as you want. You will also need some Butt Connectors # DW05745-10 to join the lengths of wire. Hopefully this would mean I could have color-changing LEDs controlled by the remote, but wired straight to my DC setup. Wire the switch by connecting power to the center terminal (s). Fortunately, these are easy to include if you want. Hey there. Read below for directions. Start by wiring all strips or strings of lights together. Well, the lights are anyway! Use stranded wire. That being said, don’t underestimate the power of a headlamp, LED lantern or battery powered lights. If your switch has spade terminals, use a spade connector. Don’t use twist connectors for joining wires. Otherwise you would use the color codes I gave you above. All of the black wires will be connected together to run to the bus bar. The dimmable switch I’m using has 3 inputs for each of the wires and so do the junction boxes for my dimmable lights. This is so that if you make a mistake splicing or need a little wiggle room you’ve got some spare real estate. ▸ Fairy Lights The downside is that you cannot unplug the lights individually, so your wiring is more restricted. To install spring-clip recessed lights, make a circular cut the size of the innermost ring. I do however enjoy learning and stepping outside my comfort zone. There should be no fuse in the location you will be using. Stagger your splicing if you have multiple wires running together. 12v Car Help: How to wire a 3-prong led rocker switch Amazon: Buy Round Switches: schematron.org Ebay: Buy Round Switches: schematron.org I am wiring some LED lights in my car, using a rocker 3 prong illuminated switch. This is a fast and clean way to get everything into one circuit. You don’t need to be an electrician to benefit from suitable lighting. If you’re OK with all of the lights connected together (which is fairly common), you can just combine all of them into one terminal connector. LED gets power when switch is OFF. Now if you're using the three pronged cable like I suggested, there's one more wire you need to deal with, the striped wire. No resistor needed. Here is a good Youtube video on how to crimp wires properly. Hopefully those looking for practical information on electrical circuits and wiring LED components found this guide first. So I’ve just started to undertake the electrical aspect of my bus build and already I’ve hit a dilemma. Hello! If installing a dimmer switch, you say the wire from the switch to the lights will be white. Two things every famous #vanlife instagrammer has in common is a model posing and some fairy lights. I currently have a 12V DC plug adapter that I am using to power one single switch. Car Electronics. 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