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Interior trunk release

14649 Views 31 Replies 16 Participants Last post by  EMike
Hey guys,
Some of you have requested a "how to" install an inside trunk release just like the one I put in my car.
It's actually very easy to do. You'll need the following:
-Trunk release button.
-2 16 or 18 G wire.
-Wire connectors or harness if you prefer.
-Exacto blade.
-Dremel tool (optional but makes life easier).
-Soldering tool.

For the trunk release button I went to eBay and got a Hyundai Tiburon button (Pic 1) which I really liked but you can choose the one you like best. This was only 19 dollars.

1. Once you have the button all you have to do is to remove the side panel located beside the driver's seat and the one right in front of it so you can see all the wiring and you also have the panel where you will mount the trunk button (pic 2).

2. Locate the RED WIRE with 2 small GREY STRIPES. Be careful because there're other red ones there half green or other colors. Pick the solid red with 2 grey/silver lines. Peel a bit of the wire so you expose the wire (pic 3).

3. Grab the 2 16 G wire and put male connectors on one side. Grab the ends on the trunk release button and put the female ends there so you can unplug the button if ever needed.

4. Take one of the 16G wires and solder the side without a connector to the red wire on the harness and cover it well with electrical tape. (Pic 4).

5. Take the other wire and put a round connector so you can connect it to a ground. I picked a bolt underneath the front panel, very close to the panel you are mounting the button on. Secure it to the bolt. (Pic 5).
At this point you want to plug the connectors momentarily and test the button making sure everything works ok and the trunk actually pops. (Pic 6).

6. Make the hole for the button on the panel. You gotta mark where you are going to locate the button and then cut it with a dremel or exacto blade. the dremel tool will make life easier if you have it. Go slow because its plastic and the dremel eats the plastic fast.

7. Put the button on the panel making sure it's secure and everything is sitting flush. (Pic 7,8)

8. Plug in the connectors. It doesn't matter which one goes where because this is just for a switch and the red wire happens to be just a ground to the trunk release system. All we are doing is giving it a new switched ground point.

9. Put the panels back on and enjoy. (pic 9).

Thanks for reading. :wiggle:

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I know this is an old How To but it's damn handy. Many thanks, gonna try doing this tomorrow.
It's old but still pretty good. It should be pretty straight forward but if you need something hit me up. I don't have the car anymore cuz I upgraded but I still remember everything like it was yesterday lol.
i did this on the weekend and it works and looks great :) !!! thank you very much !!!
No problem
Nice write up! But I have to ask why? The button is at the truck so why do you need one in the car? At what point are you going to go to from the driver seat to the trunk with that much stuff in your hands that you can't push the rear button? Plus you have the button on the key...
Sometimes mine doesn't open when I get out and go to the back, then I have to go back, lock and unlock the car before the button on back will work
in my case, i live in the border and when i cross they always ask me to open the trunk and i have to shut off the car and remove the key to click the trunk button (they never find the trunk button under the lid haha)
Sometimes mine doesn't open when I get out and go to the back, then I have to go back, lock and unlock the car before the button on back will work
It sounds like you only push the unlock button once and that will leave the passenger door and the trunk locked. Push twice and it's all unlocked.

in my case, i live in the border and when i cross they always ask me to open the trunk and i have to shut off the car and remove the key to click the trunk button (they never find the trunk button under the lid haha)
If you're driving and your in the car you can push the button on the key?
Just ordered the Hyundai switch that has a blue and yellow wire. Just to clarify the wiring. All I have to do is tap into the red wire with 2 grey stripes to either the blue/yellow wire and ground the other wire? Doesn't matter if I switch the blue/yellow wire on the switch
Great Job!

I am definitely going to attempt this, it seems pretty cut and dry and straight forward. Thank for the visuals It will make life a lot easier.

F-
i know this a 10 year old thread but i came across it because of my issue and it works great. thanks
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