Bosch Relay Wiring Diagram Fog Lights
The two terminal 87 go to the fog lights black wires.
Bosch relay wiring diagram fog lights. 12v universal wiring harness kit relay fuse switch. Draw a diagram on plain white paper with wire gauge noted and colors identified. When the coil of the relay is energized 12v from the high beam switch to terminal 86 ground on terminal 85 the normally closed contacts open interrupting 12v to the fog lights. The following diagrams show the other types of commonly used automotive relays.
Wiring diagram comes with a number of easy to stick to wiring diagram instructions. Diagrams will show how multiple relays one relay or another or just one relay can control your device. Whenever installing a relay use a quenching diode between terminals 85 and 86 with a cath ode to the positive terminal to prevent the inductive spike on relay turn off. These instructions will probably be easy to grasp and use.
The lamps and relay harness are to be used only with 12 volt automotive. Look on the relay for the terminal numbers. Power 12v to the fogs lights passes through the normally closed contacts of the relay terminals 30 and 87a. Fog lights off with high beams on relay wiring diagram.
Terminal 86 should connect to your low beam headlight. Bosch type relay wiring diagrams. Fog lights off with high beams on relay wiring diagram. Match the color wire with what you have on the relay connection for the rest of the wires.
Use as reference only. Terminal 30 goes to the battery positive red wire. It is meant to aid all the typical consumer in creating a correct system. With this kind of an illustrative manual you will be able to troubleshoot prevent and full your projects with ease.
Fog light relay wiring diagram positive ground wiring library fog light wiring diagram with relay. All examples shown are for spdt single pole double throw relays which includes any of the 5 10 or 20 amp relays on this site. Learn what a relay is how it works and why you should use one.