Print Page | Close Window

Head Unit/ Relay Use

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=36219
Printed Date: May 11, 2025 at 8:34 PM


Topic: Head Unit/ Relay Use

Posted By: M3drvrr
Subject: Head Unit/ Relay Use
Date Posted: July 26, 2004 at 4:49 PM

I just finished putting in an alpine moniter and a dvd player in my 2003 tahoe.

I connected the head unit, the brain unit, and the dvd player all to the 12 volt of the factory radio wire harness. Also, i have a chime module connected to it. Should i have used a relay?

Also, i have done the same thing to all the turn-ons including an amp, head unit  and a trigger module. Should i have used a relay?

If yes, how do i wire a relay, i have never used one before.

Thanks in advance,

Harry




Replies:

Posted By: auex
Date Posted: July 26, 2004 at 5:37 PM
No to the relay. But I might use a second power source, wired directly from the ignition harness with a fuse, for the chime module and dvd player.

-------------
Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.

I've been sick lately, sorry I won't be on much.


Print Page | Close Window