parking lights
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=130680
Printed Date: July 19, 2025 at 3:12 AM
Topic: parking lights
Posted By: datlo
Subject: parking lights
Date Posted: February 20, 2012 at 4:25 PM
I need to diode isolate the left and right parking lights on a 2009 jeep wrangler. What size diodes would I need.
Replies:
Posted By: kreg357
Date Posted: February 20, 2012 at 5:58 PM
6 Amp minimum. You could cut the wire and connect a DMM set to DC Amps to verify the normal current draw. Also, it might change if you tow a trailer...
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Soldering is fun!
Posted By: metz35
Date Posted: February 20, 2012 at 6:08 PM
Or you can run wire to fuse box. Very easy. Positive WHITE/ green
Posted By: Chris Luongo
Date Posted: February 20, 2012 at 10:32 PM
I wish I knew who was writing up these nonsense tech sheets for late-model cars, full of misinformation.
The WHITE/ purple wire will light up both sides of the car. No diodes needed. Positive trigger in the passenger's kick panel.
I've heard you might be able to find the wire on the driver's side interior if you look either really high or really low in that area, but I never tried.
Posted By: datlo
Date Posted: February 21, 2012 at 12:35 AM
I printed up the sheet from bulldog site. lists a separate left and right wire. being my first install im trying to get everything figured out before the parts get here. thanks for the replies.
Posted By: oldspark
Date Posted: February 21, 2012 at 12:43 AM
I disagree with 6A diodes.
Parker bulbs are usually only up to ~7W (~0.5A), hence under 1A @ 12V.
Hence any 1N400x diode assuming one diode per parker (eg, 1N4001, 1N4004, 1N4007). [ LEDs draw even less current - typically well under 1/100th of a bulb. ]
Otherwise 1N540x diodes (3A) - eg, 1N5408.
Being in series, the diodes only need to block a max of about 15V, hence diodes rates 50V (1N4001) and above are fine.
Posted By: pts760
Date Posted: February 22, 2012 at 2:10 AM
Chris is correct. This wire will light up both left and right p.lights. I believe you can grab it at the harness that runs under the drivers side seat that splits off from the harness that runs to the rear.
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I drink current, eat ohms, and bleed voltage
Posted By: datlo
Date Posted: March 04, 2012 at 10:04 PM
Does the output wire from the alarm get connected directly to the WHITE/ purple or does it need to go though a relay first.
Posted By: pts760
Date Posted: March 06, 2012 at 3:39 PM
The positive output from the alarm goes directly to WHITE/ purple as long as the alarm has a 10A parking light circuit.
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I drink current, eat ohms, and bleed voltage
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