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1997 Civic RS w/ Defrost

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=45909
Printed Date: July 13, 2025 at 1:36 PM


Topic: 1997 Civic RS w/ Defrost

Posted By: stussycole
Subject: 1997 Civic RS w/ Defrost
Date Posted: December 24, 2004 at 12:23 AM

Here is the deal, I installed the RS (Autopage 610rs) last Xmas for my wife. Everything is in and works fine, but she asked me about the rear defrost last week. In all my searching I have yet to find a definitive answer on how to properly set-up the RS to turn on the rear defrost when the car is started.

Option 1: use 3rd ignition wire to relay to defrost. This would require a switch so as not to activate rear defrost in summer.

Option 2: use the channel 2 (trunk pop) output to relay to defrost.

The main problems I have encountered is the only info I can find for location of this wire says N/A and the it is on a timed switch. Can I do this in this car and what would be the best way to wire the relay? Thanks.



Replies:

Posted By: secureauto
Date Posted: December 24, 2004 at 1:14 AM
Use your CH.2 output with a latching relay, this way you can turn it on and off from your remote. Test the output of your defrost switch. The link to the diagram shows a (+) output, you may need to add an extra relay if you need a (-) output.



Latched relay setup

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ASE Certified


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