Wednesday 29 February 2012

Headlight circuit 01/03/2012

Headlight diagram

Components

  • battery
  • wire
  • fuse
  • relays x2
  • headlight bulbs x2
  • switch
Function

The battery supplies the power
Wires carry it through the fuse the relays to terminal 30
The relays function as a remote switch, the main current flows from the battery to the user or headlight bulb. The terminal number is generally 87 or 87a.
It is activated by low current coil that acts as a magnet  to close the switch. Terminal numbers are 85 + 86 terminal 85 goes to a earth or ground source. Terminal 86 supplies power through a switch to complete the circuit

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