Can i do this with just one relay?

Printed From: the12volt.com
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=140991
Printed Date: May 13, 2025 at 8:20 AM

Topic: Can i do this with just one relay?

Posted By: cordless mammal
Subject: Can i do this with just one relay?
Date Posted: March 09, 2016 at 11:21 PM

I'm looking to redo my motorcycle headlight wiring a single H4 bulb. I know to use relays but can i use a single SPDT relay to control both high and low beam? Connecting low beam to 87a and high to 87, and using the high beam signal wire to turn the relay on.

Replies:

Posted By: cordless mammal
Date Posted: March 09, 2016 at 11:23 PM

Sorry its a 2010 Harley 883 iron.

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