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Horn Relays

Horn Relays

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Horn Relays

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  1. Horn Relays

  2. Relay Circuit • Relays are used to control current flow • A small circuit can energize the coil. This closes the contact points thus allowing current to flow to another component. • The two circuits are completely separate.

  3. Relay • This is what a Relay could look like on the inside.

  4. Relay 1 • This is a normal horn relay

  5. Relay with ignition switch • This relay the key has to be on so it will work. 87 86 30 85

  6. Simple Horn Circuit

  7. ISO Mini Relay Most manufactures went to this standard NC NO Terminals #30 to #87a are NC and terminals #30 to #87 NO

  8. ISO Mini Relay To test off of car hook Battery + to Terminal 86 and ground 85 should click hook a ohm meter between 30 and 87 and see what happens

  9. The End