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Basic Relay Wiring

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=8286
Printed Date: May 11, 2025 at 1:31 AM


Topic: Basic Relay Wiring

Posted By: monkeytom83
Subject: Basic Relay Wiring
Date Posted: January 18, 2003 at 2:24 AM

Hi...

Sorry for asking such a simple question but this one is bothering me.

I want to install some relays for power locks. However, the only thing I have installed so far in my car is a new stereo, amp and speakers. When suppling a +12V to the amp, I ran a seperate wire from my battery. For these relays, can I get the +12V from some where else in the car instead of a direct connection to the battery?

Thanks,

Tom




Replies:

Posted By: auex
Date Posted: January 18, 2003 at 3:17 PM
You can take it from any power source that is fused with at least 15 amps.  I would recommend taking it from the ignition harness with a fifteen amp fuse inline.  Also what will be controling the relays, 3 position switch, alarm, momentary switch?

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Posted By: monkeytom83
Date Posted: January 18, 2003 at 6:44 PM

Thanks for your reply

The relays will be controlled from a Clifford Arrow 3 Alarm. Does this change where I should take my +12V from?

Thanks


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