Question about 2002 Hyundai Accent

2 Answers

Need complete wiring diagram for 2002 accent gs.

I'm removing a dead car alarm and adding a new alarm and a lamp and key reminder buzzer and need to understand the wiring of the car in order to make the right connections.

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  • kwhitmore43 Jul 30, 2010

    Need 2002 hyundai accent gs wiring diagrams for all interior wiring harnesses.

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2 Answers

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  • Hyundai Master
  • 11,800 Answers

Without knowing what is the brand and model of the old alarm, how it was installed and by who, all i can give you are general instructions.
An alarm is composed of a sensor block, an imobilisation and control block and a warning block. 
The sensor block is what detects if something is wrong with the car. Every alarm has at least door sensors and shock sensors. Each door, boot, lid and whatever has its own sensor (simple contact) connected with its individual wire. A wire (2 on some models) is used for the shock sensor. Better alarms also use current consumption sensor (a wire connected to an interior light), ultrasonic sensors (2/3 wires to each sensors)) and lift sensors ( one wire to a single sensor on the suspension.
The imobilisation and control block  connects to the engine power (2 wires spliced on the power wire of the ECM) , 1 or 2 wires to the door locking system and 2 or 3 wires to the remote sensor. Add to that the power wire for the alarm itself, directly to the battery.
The warning block has at least 2 wires to the hazard lights and a wire to the horn of the car. 
Find and identify each wire coming to the old alarm and design a scheme how to connect each wire to the new alarm. Only when you are sure that each wire is accounted for, only then, you can start replacing the units.

Posted on Jul 30, 2010

  • 5 more comments 
  • Azrael SRL Jul 30, 2010

    If the alarm isn't OEM (installed when the car was assembled) then the guy who installed it has drawn its own wiring. A basic wiring diagram can be found in this repair manual



    http://www.haynes.com/repairmanuals/hyun...

  • Azrael SRL Jul 30, 2010

    Also i have this but it's kinda not very legal.



    http://www.digital-kaos.co.uk/forums/f12...

  • kwhitmore43 Jul 30, 2010

    Can't buy from either source, since my CC requires complete address data, but both sites don't allow entering the state for foreign addresses.


    Any other ideas?

  • kwhitmore43 Jul 30, 2010

    The old alarm is a Rebel USA unit, but there's no model or serial number on it anywhere and I don't have the box or the manual. If I have the car's schematics, I can identify where the wires were connected to and identify the old alarm wires based on that. I tried buying the Haynes manual for this car online and my card wasn't accepted. Same goes for the other site you mentioned.


    Just having a schematic of the alarm doesn't solve my problem, because the old installation was pretty messy. I still need the schematics of the car, so I can identify every OEM wire of the car and how the hack that wired the old alarm has modified things. I don't want to have to unwrap all the harnesses and trace wires to their destinations by color, since that's a lot of work.


    It's pretty clear that at least one wire was cut and then spliced into the old alarm circuit, but I don't know where that wire originally was connected to. The entire unit was wired using only simple splicing (twist together and tape it). I already have the new alarm's wiring diagram, but I don't have the old one.




  • Azrael SRL Jul 30, 2010

    Try this site  http://www.12voltresource.com/  buy the download , it's the original source for the second site and it has the full wiring scheme for your Accent.


  • kwhitmore43 Jul 30, 2010

    Like I said, I can't buy it because my CC requires that the state match, but the site doesn't let me enter it. Submit

  • Azrael SRL Jul 31, 2010

    http://www.12voltresource.com/faq.php#2    - We also accept check and money order payments.



    I think you can do that so buy the cd, it will be delivered to your home by mail.

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  • Master
  • 1,297 Answers

My book has 100+ pages of electrical diagrams
can you be more specific of what you need?
basically all alarms are tired into the ignition switch, computer and doors

Posted on Jul 30, 2010

  • 4 more comments 
  • kwhitmore43 Jul 30, 2010

    I need to see all the circuits you described. Also, since the dead alarm was wired into the dash and steering column harnesses, I need the complete diagrams of those, to see what is original and what was added.


    I also want to add a door sensor switch for the hatchback, so the alarm doesn't arm itself when I'm unloading the trunk.


    There's already a sensor switch added for the hood, so opening the hood when the alarm isn't armed will keep it from arming while I'm working under the hood. (It's a real pain when the siren starts screaming and you've got your head only a couple of feet from it, with no ear protection.)


    Since the buzzer was added in the same mess as the previous alarm hack, and they both need to sense the door switches, this may make it more complicated to wire both. I'm surprised alarm manufacturers don't add key and lamp reminder features. That'd simplify things for installation and especially for repair and replacement.

  • Sean Reisdorf
    Sean Reisdorf Jul 30, 2010

    problem is that FixYa limits the picture posts to 150k and they would be too small to read

    typically I can cut and post smaller sections like this...










    However, the best thing you can do is contact Helm.com and order a wiring diagram so you can get all the pictures




  • kwhitmore43 Jul 30, 2010

    I don't see anything about wiring diagrams at Helm.com.


    I managed to match the scale of the images and stitch together 4 of the images you sent, but there is one image that didn't get shown and just shows a broken link. I have the top-left, the middle left and the complete bottom of the page. It looks like the missing part is the middle-right, since the top-right doesn't appear to have any wires leading into it from the other parts.

  • kwhitmore43 Jul 30, 2010

    If this diagram comes from the 2002 accent gs schematics, it seems to indicate that there is an optional hyundai OEM alarm module. Do you know or can you find out if that's true? The Hyundai dealership here doesn't like special orders like that, since it means a separate (and very expensive) import order and they don't earn anything extra for the effort, because of Hyundai's price controls on their dealerships.


    At 465x572 pixels and saved as a JPG image with 40% quality, the full page comes out to just 28.3KB and would help avoid playing puzzle with pieces of the diagrams.





    What I managed to stitch together, (although missing the center-right section,) seems to indicate a connection to another diagram where it points to (burglar alarm relay) starting/charging system. Do you have that one too?


    Can you re-send the missing center-right section and a complete 465x572 pixel scaled, JPG 40% quality compressed copy of the trimmed full page for the above-mentioned other diagram?



    Note: In case your existing software doesn't handle some of these tweaks, or is too time consuming, GraphicConverter is good, free, full-featured shareware application without time limit and does all of the above very well. It even can convert an entire folder of images with a user-configured set of image tweaks and format change. That's a real time saver. The only downside is it makes you wait 30 seconds after launching it, until you pay the shareware fee. I can't vouch for the scaling or compression quality of any other software, besides perhaps PhotoShop, but I'm sure there are other good options.

  • kwhitmore43 Jul 30, 2010

    Sorry, that's 3 images I stitched together.

  • kwhitmore43 Jul 30, 2010

    FixYa's 150KB images size limit is plenty for a full-page scan saved in JPG format, since you can adjust the file size by adjusting the compression (and hence the image quality).

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