Very dim parking light flash
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=48357
Printed Date: June 07, 2025 at 8:29 AM
Topic: Very dim parking light flash
Posted By: mogema
Subject: Very dim parking light flash
Date Posted: January 23, 2005 at 1:55 AM
Car: 97 Honda Civic w/ factory keyless entry.
The factory system didn't have a parking light connection, so I wired one using the (-) horn output to a 30A SPST relay. Relay clicks fine, so this connection is okay.
To power the lights, I tapped into the 10A headlight lead from the underhood fusebox (which should definitely supply enough power, right?) Well, when observing the bulbs when the lock/unlock buttons are pressed, the lights do flash, but very very dimly.
So, could it be that the neg. pulse time from the horn output isn't long enough to heat the filaments all the way? Or should I have used a 10A lower impedence relay?
Any help would be great, I'm stumped.
Replies:
Posted By: vitalio
Date Posted: January 23, 2005 at 6:52 AM
Try connect capasitor between contacts of winding, or you can use door lock-unlock pulses together with diodes for turn relay
Posted By: metaverse
Date Posted: January 23, 2005 at 10:28 AM
Connect the relay output wire to the RED / black parking light wire at the fuse box. Get a 12v feed from a 12v constant source and fuse it.
Posted By: mogema
Date Posted: January 23, 2005 at 11:36 AM
metaverse: the RED / black is the wire I connected to
vitalio: connect the capacitor between the relay and the parking light wiring?
would door lock/unlock tapped into the hazard control circuit work?
Posted By: vitalio
Date Posted: January 24, 2005 at 8:43 AM
i mean connect capasitor between contacts of coil: 85 and 86 of parcking lites relay
Posted By: daniel2002p
Date Posted: January 24, 2005 at 9:42 AM
The horn output does not produce enough time to light up the fillaments all the wat in that setup. Like stated before by somebody your best bet is to diode your door locks and use that to get the relay going. You can also buy a puls generator and wire that up so that it flashed when the door are locked or unlcoked.
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