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relays

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=33153
Printed Date: May 04, 2025 at 11:02 AM


Topic: relays

Posted By: cd2478
Subject: relays
Date Posted: June 02, 2004 at 7:53 AM

how can i use a relay to utilise the CRM off a nokia CARK-126 car kit when my head unit does not have a CRM lead

please try and explain this quite easy, as i have never had to use a relay before so i have little knowledge of how they work.




Replies:

Posted By: auex
Date Posted: June 02, 2004 at 6:53 PM
CRM is basically mute right? What you can do is wire a relay that will break switched/acc power to the radio. What will happen is you get a phone call the kit sends a signal to the relay, the relay turns the radio off completely. When the call is over the radio will turn back on.

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Posted By: cd2478
Date Posted: June 03, 2004 at 8:56 AM
hmm sounds logical. but how do i know what relay i need and how to hook it up?


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