extra lights on atv

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Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=100272
Printed Date: June 24, 2025 at 3:18 PM

Topic: extra lights on atv

Posted By: hondatim
Subject: extra lights on atv
Date Posted: December 20, 2007 at 7:46 PM

I want to add two light to my atv to come on with high beams how do I wire it up. I got some

12VDC LD-12P 30A / 40A REC Relays spdt so what wire go's to what pin. Do I need any diodes.

Thank you tim

Replies:

Posted By: tedmond
Date Posted: December 21, 2007 at 4:37 PM

kk relay setup

85 - ground
86 - connect to high beam wire that shows 12volts when high beam active.
70 - Constant 12volts (high current)
30 - to 12v wire of lights, and just ground the negative wire.

You will need to place a diode on the coils (rectifing diode) usaully the 400 series. For your situation using a 1N4002 to 1N4004 would be best. Place the diodes cathode side (white stripe) to Pin 86, and the anode of diode(black) to Pin 85.

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