These instructions apply to any car but for the sake of this guide we will be using the ford f 250 as a reference car to wire an led light bar. To begin with look at your relay switch and notice the four prongs on it marked 30 87 85 and 86.
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It shows the elements of the circuit as streamlined forms and also the power and signal links between the devices.
Relay wiring diagram for light bar. On the back of the rocker switch there are 5 blades. A wiring diagram is a simplified standard photographic representation of an electric circuit. How to wire your light using a relay the relay will have 4 points on it marked 30 87 85 and 86.
This is a general installation guide on how to wire a relay harness and switch kit. A wiring diagram usually gives instruction roughly the relative outlook and settlement of devices and terminals on the devices to incite in building or. Led light bar relay wiring diagram wiring diagram is a simplified suitable pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the power and signal friends amongst the devices.
Light relay wiring diagram wiring diagram is a simplified good enough pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the skill and signal associates amid the devices. If you do not install a relay and use a switch you could end up overheating the switch melting the wires and reducing the current that is getting to your lights making them less bright. If you are using a wiring harness and switch these four prongs may be plugged in already however if you are wanting use a different electrical current to activate your light bar such as.
Before we get started take note of this relay diagram on how to wire up the switch to your led light. Wiring diagram for relay a3 automotive relays 12v 30 40 amp 5 pin spdt designed 7b533c led bar library 03437 driving light 40a negative ih8mud forum 12 schematic www socket cr 6881 4 bc 8889 horn with a wiring diagram for relay a3 automotive relays 12v 30 40 amp 5 pin spdt designed 7b533c led bar 12v wiring read more. For anything above 30w we recommend installing a relay.
I want to remove the factory switch as i am running multiple light bars and use a third party switch panel with 6 rocker switches run in a series. Two ground two hot and a 5th blade that goes to the relay or led. Collection of wiring diagram for led light bar.
I have a light bar that came with a wiring harness and switch. How to wire your led light bar with a relay switch.
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