diode isolation

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=43021
Printed Date: July 13, 2025 at 9:36 AM

Topic: diode isolation

Posted By: jaurora
Subject: diode isolation
Date Posted: November 15, 2004 at 9:11 AM

Can someone please help me to clarify the proper way to diode isolate +12 switched pacrking lights.

Thanks

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MECP certified (If it really means anything)
Jeremy

Replies:

Posted By: stevent
Date Posted: November 15, 2004 at 9:26 AM

https://www.the12volt.com/diodes/diodes.asp

Posted By: stevent
Date Posted: November 15, 2004 at 9:30 AM

What kind of car is it for??

Posted By: jaurora
Date Posted: November 15, 2004 at 9:48 AM

02 impala

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MECP certified (If it really means anything)
Jeremy

Posted By: stevent
Date Posted: November 15, 2004 at 10:03 AM

use negative trigger for the parking lights. Cut your parking light wire and insert the diode with the stripe facing the bcm and connect your parking light wire on the side of the diode away from the bcm. This will isolate it so the check engine light wont come on. (or refer to directfax doc #1600 for illustration)

Posted By: jaurora
Date Posted: November 15, 2004 at 10:25 AM

Do you have doc #1600 that I can see?

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MECP certified (If it really means anything)
Jeremy

Posted By: profuse007
Date Posted: November 15, 2004 at 4:39 PM

click here

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Houston,TX
"The two most common elements in the universe are H+ and stupidity" (Ellison).

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