problems with led scanner
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=42462
Printed Date: May 13, 2024 at 11:29 PM
Topic: problems with led scanner
Posted By: ninjaxryder
Subject: problems with led scanner
Date Posted: November 07, 2004 at 9:01 PM
aight here's the deal.....i just installed my led scanner on my car..the way i connected was i cut the stock led which had only a red and black wire...so black to black...red to constant power(so i connected it to the yellow wire behind my radio...and yellow to the red....it works but the designs won't change..it only blinks..even when i press the button...also when i added another led scanner i connected to the same wires that i previously install the first scanner...and then both of them do not work....i tried them both on a 9 volt battery and both works....so i was wondering what i did wrong...thanks
Replies:
Posted By: SEXIFIED
Date Posted: November 07, 2004 at 9:40 PM
the output of the alarm is a pulsed power to the l.e.d. itself. so when you hook up the scanner to the l.e.d. wires the power (red) is technically "flashing" the power to the scanner, thus not supplying enough current to be able to change the scanner patterns. in short it's like setting the vcr's clock then unplugging it
do it like this......re connect your alarms l.e.d, then place your scanner where you want it mounted. get your ground, ignition, and 12 volt supply from either your stereo, or under the dash at the ignition harness,with your other alarm connections. this way when you turn on the car the scanner shuts off, and when you shut the car off the scanner works, regardless of weather or not the alarm is armed....and you can control the scan patterns.
i hope i helped.
Posted By: ninjaxryder
Date Posted: November 07, 2004 at 9:48 PM
so what you are saying is that i can connect the red black and yellow wires from the scanner directly on the red black and yellow on the radio??....also will it turn on when arm the alarm or it will just turn on when i turn off the car
Posted By: ninjaxryder
Date Posted: November 07, 2004 at 9:49 PM
so i can connect all the wires behind the scanner to the wires behind the radio....and will it turn off when i start the car??
Posted By: ninjaxryder
Date Posted: November 07, 2004 at 9:52 PM
sorry i double posted...my comp was messed up so i didn't know if it went though
Posted By: SEXIFIED
Date Posted: November 07, 2004 at 10:03 PM
it will shut off when the car is started, and turn on when it's not. it will work regardless of what the alarm is doing.......real good if you forget to arm your alarm.
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SWEET.
Posted By: s7726
Date Posted: November 08, 2004 at 2:44 AM
if you wan to hook it up so it's activated by the alarm (I know i use it so i know when my alarm is armed, not just others) assuming that the red and black are power and ground hook those up to the wires from the back of the stereo, you want to hook to the constant 12v line, then connect the yellow wire to an output from your alarm that is negative when armed, that will activate the scanner when the alarm is activated. ------------- Gavin
SWEDISH RICE!
Posted By: ninjaxryder
Date Posted: November 08, 2004 at 1:11 PM
im sorry but im new at this......so i am gonna connect the red wire to the constant power behind the radio with is yellow....connect the black wire to the black behind the radio and the yellow to an output from your alarm that is negative when armed.....where is the output located...is it one of the red or black wires connected to the stock led that comes with the alarm...
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