relay basics

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dwjack

Member - Posts: 6

Joined: January 06, 2004

Posted: February 15, 2004 at 1:15 AM / IP Logged

I don't want to sound like an idiot but how do you wire a diode on a relay? I understand diode's inline for wires but how exactly is one connected for a relay? is it placed underneath the cover of the relay or is it placed on the pins somehow?

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dickpeter

Member - Posts: 14

Joined: January 16, 2004

Location: United States

Posted: February 15, 2004 at 8:21 AM / IP Logged

The best way I found is to buy the relay harness from parts express.

They sell one with the diode all ready installed.

http://www.partsexpress.com/pe/showdetl.cfm?&User_ID=16532957&St=8137&St2=-64250764&St3=55753907&DS_ID=3&Product_ID=9686&DID=7

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dieggo98

Member - Posts: 14

Joined: February 04, 2004

Location: United States

Posted: March 28, 2004 at 6:30 PM / IP Logged

A diode across a relay prevents voltage spikes which sometimes lead to "relay chatter". The striped side of the diode is usually connected to the 12V leg of the relay. Click here to see an actuall diagram in action.

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relay basics

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