headlights flash with 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=106424
Printed Date: October 30, 2025 at 6:24 PM
Topic: headlights flash with parking lights
Posted By: nexlvl
Subject: headlights flash with parking lights
Date Posted: July 29, 2008 at 10:14 AM
I have an 2004 Dodge Ram and I installed a crimestopper RS-2011 about three years ago recently the headlights have started to flash with the parking lights during arm/disarm and remote start. Is there any way i can resolve this issue? Thanks
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nexlvl
Replies:
Posted By: megaman
Date Posted: July 29, 2008 at 11:25 AM
Headlights and Parking lights are both controlled by the same wire via multiplex. Negative trigger 249 or 330 ohm to WHITE/ lt. green at headlight switch will trigger parking lights. Check your resistor and make sure it's relay isolated.
Posted By: extreme1
Date Posted: July 29, 2008 at 12:51 PM
or WHITE/ silver positive trigger in the drivers kick area.
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Shaughn Murley
Install Manager, Dealer Services
Visions Electronics
Red Deer, Alberta
Posted By: dswift
Date Posted: July 29, 2008 at 1:17 PM
yep sounds like your resistor went bad. So, what he said. =)
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"dont ground out!"
Posted By: nexlvl
Date Posted: August 04, 2008 at 7:26 AM
Can I splice into the parking light wire coming directly from the alarm and add the resistor?
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nexlvl
Posted By: tweak master
Date Posted: August 04, 2008 at 12:46 PM
You have to cut the multiplexed parking light wire (the WHITE/ lt.green wire) and wire a relay as follows.... 87 = 249 or 330 ohm resistor wired to ground 87a = the light switch side of the WHITE/ lt.green wire 30 = the BCM side of the WHITE/ lt.green wire 85 should go to the parking light output of the alarm/rs 86 should be wired to +12v or gnd depending on the polarity of the parking light output.
Posted By: nexlvl
Date Posted: October 08, 2008 at 3:15 PM
I wired my parking lights following the above diagram parking light output is negative so would 86 go to gnd or +12v
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nexlvl
Posted By: ckeeler
Date Posted: October 08, 2008 at 3:40 PM
86 will go on 12v
Posted By: nexlvl
Date Posted: October 08, 2008 at 4:21 PM
Thanks
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nexlvl
Posted By: Mike M2
Date Posted: October 08, 2008 at 5:29 PM
tweak master wrote:
You have to cut the multiplexed parking light wire (the WHITE/ lt.green wire) and wire a relay as follows.... 87 = 249 or 330 ohm resistor wired to ground 87a = the light switch side of the WHITE/ lt.green wire 30 = the BCM side of the WHITE/ lt.green wire 85 should go to the parking light output of the alarm/rs 86 should be wired to +12v or gnd depending on the polarity of the parking light output.
I have yet to understand why this is so. I have done a hundred Chryslers without doing anything more than adding a resistor to the wire and tapping it in and have never had an issue. I know it's supposed to be but for the life of me i don't see why.... ------------- Mike M2
Tech Manager
CS Dealer Services
Posted By: nexlvl
Date Posted: October 09, 2008 at 10:25 AM
I have wired the switchas discussed and now the parking lights don't flash at all any suggestions?
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nexlvl
Posted By: tweak master
Date Posted: October 19, 2008 at 8:14 PM
The lights will flash without adding a relay and cutting the pk. lt. wire, BUT you have to get the resistance perfect. I take a 10k ohm variable resistor and hooking it up to the lt wire and gnd. then dial in the resistance until only the parking lights are working. Then just add a resistor to the neg lt output of your alarm and bingo.
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