how to wire a relay for a light bar
Route the harness from the mounted switch to the battery and to the LED light bar. The left side is the pin out of the point is sticking out from at the bottom and the the right side is showing a schematic representation of the relay circuitry.
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Use a wire to connect the cathode of the LED with the power supply and solder both ends.
. Tap the white terminal wire to the positive red wire and the black terminal wire to the negative black wire. How to wire aux lights fog lights LED lights light bar or anything else to a switched circuit in your vehicle the RIGHT way. Mark this end of the power supply with a positive sign.
Joined Apr 11 2020. You also need to connect the led lightbar with the power supply. Be sure that this is inside the metal box or else you may fry something.
Overall when routing the wires avoid heat sources and follow a safe route like your vehicles wire harness. When connecting the wire you must attach both ends with their respective position and solder them alongside. Tap the Red Wire Connected to the Fuse to the Car Battery Positive and the Black Wire From the Relay to the Car Battery Negative or an Available Ground.
For wiring the fog lights with the help of 5 pin relay we will have to follow the below mentioned steps. You can use copper wire to connect the switch with the resistor. 2 Jun 11 2020.
With a relayWant to support. Ask Question Step 4. If you are wanting to wire your light bar in such a way that is controlled with a separate switch on your dashboard all you have to do is leave the wiring harness set up the way it is cut the wire coming to the 30 prong and wire it either to.
Secure the tapping points with electric tape. Connect the other end of the switch to the positive side of your power supply and the soldier both ends. Light Bar Wiring Kit Part 76200 3.
Connect the pins 85 and 86 of the relay to control the coil. After that connect the other side of the switch with the power supply. First wire your switch to the power of a relay.
You need a 40 amp relay For 300w. As relay has both normally open and normally closed connection pins. Then you need to connect it from outside your cars dashboard and up into where the light will be mounted.
Wire in all connections properly before using them and make sure there are no mistakes left when you are done. If drilling through firewall be sure to use some kind of grommet so the wires do not rub WIRE LOOM A. 50 Amp relay for 400w 60a relay for 500w.
You may need a male pigtail adaptor to fit the socket connected to your light bar. If I didnt have the upfitter switches I would have probably gone with a wireless switch into the cab rather than tapping into the factory wiring. How to Wire your Light Using a Relay The relay will have 4 points on it marked 30 87 85 and 86.
The key can switch the relay then relay will bring on the light. 30 and 87 create the switch to your lights. The lead wire from the switch goes to 85 on the relay.
Here pins 30 87 and 87A of the relay switching off the power between the two circuits. The wire from Spot 86 on the relay goes to a chassis ground. Battery Wire length 1 Fuse Wire length 2 Wire length 3 Switch Wire length 4 Light bar.
Most light kits come with a relay anyway may as well do it properly. On my 2500 I have a 20 Sylvania LED light bar that I ran to the upfitter switches which are phenomenal by the way. That is kind of cryptic isnt it.
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