viper 5900 rear defogger

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=109676
Printed Date: June 11, 2024 at 4:08 AM

Topic: viper 5900 rear defogger

Posted By: Raymond4646
Subject: viper 5900 rear defogger
Date Posted: December 12, 2008 at 12:42 AM

2007 Kia Optima has a negative defogger trigger. The 5900 has the H3/5 negative status output wire designated for defogger use. It supplies - 200ma. Is a relay necessary to trigger the vehicles - defoger turn on? Thank you.

Replies:

Posted By: ckeeler
Date Posted: December 12, 2008 at 11:11 AM

better safe than sorry

Posted By: t&t tech
Date Posted: December 12, 2008 at 3:47 PM

well you can try it as is, it won't hurt, as either way you won't mess anything up, but it just may suffice as, the wire ur tapping into will be triggering an existing relay in the vehicle. just a thought.

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