parking light output to 2 more outputs
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=98750
Printed Date: May 18, 2024 at 8:11 PM
Topic: parking light output to 2 more outputs
Posted By: slamdaccord
Subject: parking light output to 2 more outputs
Date Posted: November 07, 2007 at 11:12 PM
 i have a viper 560xv installed in my 95 escort...the neighborhood i am temporarily staying at is some what sketchy...i adjusted the sensitivity on my shock sensor so it is somewhat sensitive....but here's what i am wanting to do.
parking light output wire is connected to just parking lights currently...what i want to do is also hook up my headlights AND reverse lights (and still keep parking lights) hooked up to the parking light output coming from the alarm...i know i am going to need 2 relays to do this and diodes...i just want to double check to make sure i am doin this correctly 1 relay is goin to be for a bigger power source so it has enough to power parkin lights, headlights and reverse lights....the factory parking light wire is a positive trigger but the headlight trigger is negative (no wiring info on the reverse light so i dont know if its pos/neg yet)...i know i will need the second relay to make one of the wires coming from one of the diodes to be hooked up to the headlights...i used paint below to make sure what i am doing is right and the link below to switch the polarity for headlights https://www.the12volt.com/installbay/forum_posts.asp~TID~92444~KW~python+460~PN~0~TPN~2
Replies:
Posted By: howie ll
Date Posted: November 08, 2007 at 4:27 AM
Your diagramme is correct but convention would have you reverse 87 and 30, 30 is usually the output. Diode bars towards the relays and another relay for reversing light or a diode under where you have printed "parking light" at top of diagrame otherwise using one will bring on the other, for safety sake use 1N5400 series diodes.
Posted By: slamdaccord
Date Posted: November 08, 2007 at 8:51 AM
howie ll wrote:
Your diagramme is correct but convention would have you reverse 87 and 30, 30 is usually the output. Diode bars towards the relays and another relay for reversing light or a diode under where you have printed "parking light" at top of diagrame otherwise using one will bring on the other, for safety sake use 1N5400 series diodes.
what do you mean switch 87 and 30? on which relay?
Posted By: Twelvoltz
Date Posted: November 08, 2007 at 10:19 AM
Not to step on toes, but the wiring is not correct. Looking at the bottom relay, if you follow that diagram you will be feeding +12V to the headlight wire negative when the parking lights are on.
If I get a minute I will draw up a diagram for you.
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Installer, IT support, and FFL. I need less hobbies.
Posted By: howie ll
Date Posted: November 08, 2007 at 10:32 AM
Sorry, twelvoltz is of course right, I mistook red wire for something that sholud be pos going , of course, terminal 30 on lower relay should be given a ground source, my comment was that 87 is usually treated as an impulse and 30 as the output.
Posted By: slamdaccord
Date Posted: November 08, 2007 at 12:29 PM
well it turns out all wires are POSITIVE trigger!! so i don't need the second relay to reverse the polarity..i found the reverse light wire in a stock harness underneath driver side door sill and it's positive...i found the headlight highbeam wire in a blue harness coming from the steering column and it is positive as well..so all i'll need now is the relay to support more power and 3 diodes--correct?
Posted By: slamdaccord
Date Posted: November 08, 2007 at 12:34 PM
so editing my picture/diagram....all i should have to do is this now - right? 
Posted By: Twelvoltz
Date Posted: November 08, 2007 at 3:24 PM
That would be correct, keep in mind that the diodes you are using would need to be able to handle the current of that circuit (10amp?). With the Cathode (stripe) facing the components you are powering. You could also use 3 relays, switch the parking light output from the Viper to negative and trip the relays with that output.
Also, keep in mind that standard headlight bulbs were not designed to flash so you will probably be replacing bulbs more often than normal.
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Installer, IT support, and FFL. I need less hobbies.
Posted By: profuse007
Date Posted: November 08, 2007 at 3:25 PM
^agree. Use relay to isolate but handling much higher than 1A loads.
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Houston,TX
"The two most common elements in the universe are H+ and stupidity" (Ellison).
Posted By: howie ll
Date Posted: November 08, 2007 at 5:09 PM
Profuse and twelvoltz are both correct as usual,use 1N5400 as I said before, there is also on Cliffords a spare Siren/air horn outlet which can be programmed to oscillate. I wonder if the Viper has that facility because it will give a slightly slower flash rate saving the bulbs.
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