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Discussion Starter #1 (Edited)
As any long-term owner here knows, we all resent not having a button inside to pop the trunk. Today I was motivated enough to solve this problem for myself.

Behind the trunk lid's carpet liner, the wiring connector leading to the exterior trunk release switch has four wires, one pair thicker than the other pair. My thoughts were like: "The thick wires must be the power and the thinner wires must be for signaling." So I shorted the thin wire's pins together, which made the trunk release activate (Awesome, good guess!).
WP_001567.jpg
^ This is the connector, it is hard to see in the picture but the pair of wire on the right are thinner than the pair on the left.


WP_001569.jpg
^Don't mind the white wires, those are for my tail lights.

Here's the fun part. I spliced (with spare speaker wire... it works) into the wires near the connector (Yeah I'm sure the same wires are in the centre console somewhere, Oh well.) and piggy-backed along the trunk's wiring harness into the trunk itself. Having the trunk carpet liner on the left hand side removed, I piggy-backed further along the wiring harness to the back of the trunk, under the back seat, under the left side door sills, and up into the dashboard. after removing the front-left side's door sill panel, I removed the roughly triangle shaped plastic cap on the end of the dashboard, followed by the lower panel under the steering wheel that houses the headlight knob. From here I found a spot that I liked for my push button, so I whipped out my drill and bored into the panel. Put the push button in, finish your wiring and put everything back together. The button works great. Now I feel great about all this work, but all I have to show for it is a lousy button ;)

Here's the button before I had everything back in one piece.
WP_001570.jpg
(Oh yeah, there is a screw for the panel with the headlight knob behind the triangle cap (to the left and around the corner from the knob). I found this screw AFTER I pulled the panel off :) Please remove the screw before you pull the panel out ;)
Luckily, it was an invisible mistake by the end.

If people find this useful, could someone post instructions and pictures about removing the trunk liner and the location of the wiring harness? I dirtied the sheets by taking only three pictures, didn't think to take more until I was already finished...
 

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I can post up pics as this is something I'll probably do this week. I'll probably mount my button in an obscure location, like the glove box, in order to keep the trunk a fairly secure location. (I have a child's seat in the way of folding down the back seats ;) )
 

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Discussion Starter #3
That would be great if you could. The first two pictures I took were actually for my own reference, it wasn't until I was putting everything back together that I thought about doing a write up. I'm sure there are many people who wished these cars had an interior trunk release from time to time. The lack of this button and the flaky exterior trunk button are my only complaints I've had with this car in the 3+ years I've owned it.

What I'm missing here are instructions to remove the trunk liner and dashboard removal.
 

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I must be the only guy that doesn't have a problem with not having an interior trunk release :p The only part I hate about the current setup is that you CANT open the trunk with the car running...at all.
 

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Discussion Starter #6
That's why I did this, I carpool to work. I pick two people up, I have to turn the car off, pop the trunk with the fob, and start the car again. All in a 10 second span of time, two times each way to and from work. We have gear to carry, not just lunch bags. It's become a real annoyance for me to have to restart the car multiple times immediate after turning it off! :p
 

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The only part I hate about the current setup is that you CANT open the trunk with the car running...at all.
I had a 2011 6M Cruze ECO. Engine can be on, however to open the trunk, the car must be in Neutral, parking brake on and doors unlocked. An outside person can then touch the trunk release button and open the trunk. Not sure about an auto trans car.
 

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I had a 2011 6M Cruze ECO. Engine can be on, however to open the trunk, the car must be in Neutral, parking brake on and doors unlocked. An outside person can then touch the trunk release button and open the trunk. Not sure about an auto trans car.
True story on a 2014 Manual. Should be true for an Automatic in Park.
 

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Great Job and writeup. Good thinking too, very ingenious...... HOWever, lol, I think your mod would be recalled as someone could unintentionally contort themselves to push that button with their knee while driving down the highway. This would inevitably cause a huge wreck as then the light required to continue to fix makeup/text/talk/eat/read or generally pay attention would no longer be coming through the rear window. Plus how am I supposed to reach into my truck if im busy pushing buttons on the dash?

I commend you on your effort, however my hands are far too busy to be sitting on the steering wheel all willy nilly while driving.

Seriously, thanks for the effort and information. :goodjob:
 

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Great Job and writeup. Good thinking too, very ingenious...... HOWever, lol, I think your mod would be recalled as someone could unintentionally contort themselves to push that button with their knee while driving down the highway. This would inevitably cause a huge wreck as then the light required to continue to fix makeup/text/talk/eat/read or generally pay attention would no longer be coming through the rear window. Plus how am I supposed to reach into my truck if im busy pushing buttons on the dash?

I commend you on your effort, however my hands are far too busy to be sitting on the steering wheel all willy nilly while driving.

Seriously, thanks for the effort and information. :goodjob:
The most elegant solution would be to tie this in with the shifter somehow to enable only in park. However the solution I would prefer is to install a button like this:
http://www.amazon.com/Pilot-PLSW26-Safety-Racing-Toggle/dp/B000GTMUUI/ref=sr_1_2?ie=UTF8&qid=1404156985&sr=8-2&keywords=safety+switch
 

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I must be the only guy that doesn't have a problem with not having an interior trunk release :p The only part I hate about the current setup is that you CANT open the trunk with the car running...at all.
Yes, you can. Just have to unlock the doors.
 

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As any long-term owner here knows, we all resent not having a button inside to pop the trunk. Today I was motivated enough to solve this problem for myself.

Behind the trunk lid's carpet liner, the wiring connector leading to the exterior trunk release switch has four wires, one pair thicker than the other pair. My thoughts were like: "The thick wires must be the power and the thinner wires must be for signaling." So I shorted the thin wire's pins together, which made the trunk release activate (Awesome, good guess!).
View attachment 92913
^ This is the connector, it is hard to see in the picture but the pair of wire on the right are thinner than the pair on the left.


View attachment 92921
^Don't mind the white wires, those are for my tail lights.

Here's the fun part. I spliced (with spare speaker wire... it works) into the wires near the connector (Yeah I'm sure the same wires are in the centre console somewhere, Oh well.) and piggy-backed along the trunk's wiring harness into the trunk itself. Having the trunk carpet liner on the left hand side removed, I piggy-backed further along the wiring harness to the back of the trunk, under the back seat, under the left side door sills, and up into the dashboard. after removing the front-left side's door sill panel, I removed the roughly triangle shaped plastic cap on the end of the dashboard, followed by the lower panel under the steering wheel that houses the headlight knob. From here I found a spot that I liked for my push button, so I whipped out my drill and bored into the panel. Put the push button in, finish your wiring and put everything back together. The button works great. Now I feel great about all this work, but all I have to show for it is a lousy button ;)

Here's the button before I had everything back in one piece.
View attachment 92929
(Oh yeah, there is a screw for the panel with the headlight knob behind the triangle cap (to the left and around the corner from the knob). I found this screw AFTER I pulled the panel off :) Please remove the screw before you pull the panel out ;)
Luckily, it was an invisible mistake by the end.

If people find this useful, could someone post instructions and pictures about removing the trunk liner and the location of the wiring harness? I dirtied the sheets by taking only three pictures, didn't think to take more until I was already finished...
good work but the easier way would be order a 2015:th_salute:
 

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good work but the easier way would be order a 2015:th_salute:
Yes nice write up. A button to release the trunk is nice. My new car has one. It works well especially if the wife has her hands full after doing some shopping and wants to place her items in the trunk. My trunk lid pops open fully.
 

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I had a 2011 6M Cruze ECO. Engine can be on, however to open the trunk, the car must be in Neutral, parking brake on and doors unlocked. An outside person can then touch the trunk release button and open the trunk. Not sure about an auto trans car.
Doesn't work on mine. I have to remove the key from the ignition even, with the car not running, and the doors unlocked the trunk button will not work if the key is in the ignition.
 

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Discussion Starter #18
Great guys! FYI, this button functions exactly like the exterior trunk switch. The car must be in park and unlocked while running to work, also works when the car is off and unlocked. Does not work from inside when car is locked, or while driving because the door automatically lock themselves. This is because it is spliced to the very same circuit as the exterior switch. No need to worry about accidentally opening the trunk while driving around. It fits my needs nicely. I'm liking everyone's ideas to improve on this concept. This was my simple and straight forward solution using generic, inexpensive components. Still looks finished and inconspicuous.

I'm sure the same wires in the factory harness end up in the centre console somewhere, likely at the BCM (body control module). I do not have a schematic and voltmeter to test for this though. If someone knows where these wires come from, a considerable amount of wire and complexity (and time) can be saved by keeping this job solely within the dashboard.
 
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You can buy the button, but I have yet to see anyone with it working on a USDM car
Where. OP may have figured out how to make this button work.
 
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