Dead battery. - LotusTalk - The Lotus Cars Community
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post #1 of 17 (permalink) Old 04-22-2019, 07:52 AM Thread Starter
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My battery is dead and won't take a charge. Unfortunately somehow the emergency trunk release got broken. What can I do to get the trunk open or get power to the battery?

Last edited by labuti; 04-22-2019 at 08:00 AM.
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post #2 of 17 (permalink) Old 04-22-2019, 08:31 AM
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Somewhere in the back seat area under some carpet there is a trunk release cable. I'm not sure where exactly, but I'll look when I get homer after work.
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post #3 of 17 (permalink) Old 04-22-2019, 08:57 AM Thread Starter
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Quote:
Originally Posted by Europa TC View Post
Somewhere in the back seat area under some carpet there is a trunk release cable. I'm not sure where exactly, but I'll look when I get homer after work.
Thanks but, it broke and I cant use it
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post #4 of 17 (permalink) Old 04-22-2019, 09:37 AM
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I'm considering picking up something like this:



Not to expect enough juice to start the car, but enough to pop the trunk...

Jon

2014 Ardent Red Evora
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post #5 of 17 (permalink) Old 04-22-2019, 10:24 AM
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You can hook up a 12V source to one of the maxi-fuses in the passenger fuse panel, and then use the fob.

There's also a 12V binding post on the underside of the rear LHS wheel arch liner, as well as a chassis ground stud.

With all electrical solutions, there's risk of damaging the ECU with voltage spikes, although most reports are from people trying to jump-start the vehicle.

For a purely mechanical solution, Lotus recommends busting out the sail panel vents to access the hatch hinge bolts. That seems expensive and extreme.

You can also get to the hinge bolts from beneath the car, but it requires removing the undertray, and using multiple extensions and u-joints.
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post #6 of 17 (permalink) Old 04-22-2019, 10:35 AM
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More info on hooking up a 12V source to one of the maxi-fuses in the passenger fuse panel:

https://www.thelotusforums.com/forum...n-the-bootlid/
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post #7 of 17 (permalink) Old 04-22-2019, 03:29 PM
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I have never tried this but looking at the schematic it looks like you could apply 12V to pin 8 of the Central door lock(CDL) module connector to pop the hatch. The CDL is in the passenger foot well.
(try at your own risk of course)
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post #8 of 17 (permalink) Old 04-23-2019, 04:33 AM
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The other post from chrome orange shows putting 12v to a fuse slot in the fuse box, which i think would be easier and slightly less risky that the CDL, wouldn't it?

Jon

2014 Ardent Red Evora
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post #9 of 17 (permalink) Old 04-23-2019, 08:34 AM
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Quote:
Originally Posted by jdolluc View Post
The other post from chrome orange shows putting 12v to a fuse slot in the fuse box, which i think would be easier and slightly less risky that the CDL, wouldn't it?
If nothing else, it's much easier to get to the maxi-fuses in the fuse panel. The CDL module is behind a panel, which requires removing the sill panel.

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post #10 of 17 (permalink) Old 04-23-2019, 10:55 AM Thread Starter
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I managed to jump the fuse box. Thank you all for your help
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post #11 of 17 (permalink) Old 04-23-2019, 11:59 AM
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A little late to the party here, but could we use a cigarette lighter socket (or accessory plug, as they are now known) to apply voltage to the system a little easier? The wiring to these is fairly heavy and can carry a lot of current. My 2010 has at least one of these inside the car, but I don't know if they continued them later down the line.
Lurking somewhere in this foggy mess I call a memory I seem to recall seeing a battery charger with a male accessory plug included... (?)
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post #12 of 17 (permalink) Old 04-23-2019, 12:27 PM
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Also, if your emergency trunk release didn't work, it might be worth checking the release mechanism just in case it is going south like mine did. This may help:

https://www.lotustalk.com/forums/f17...pgrade-467926/
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post #13 of 17 (permalink) Old 04-23-2019, 12:33 PM
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Quote:
Originally Posted by Nexus9 View Post
A little late to the party here, but could we use a cigarette lighter socket (or accessory plug, as they are now known) to apply voltage to the system a little easier? The wiring to these is fairly heavy and can carry a lot of current. My 2010 has at least one of these inside the car, but I don't know if they continued them later down the line.
Lurking somewhere in this foggy mess I call a memory I seem to recall seeing a battery charger with a male accessory plug included... (?)
This is how I charge/tend my Elise, thru the cabin's 12v accessory plug. I am able to do that because it is "always hot". I believe that the only accessory 12v that is always on in the Evora is the one in the boot. You can choose to use a cig adapter from your tender on that one with no key in the ignition.....but that would do you no good in this situation. The Evora cabin ones do come "live" if you have the key in position one but not 100% if you can use those to charge or not....never tried. I have pigtails wired to the battery terminal when I need to throw on my tender but I also drive mine several times a week...so never bothered checking.

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post #14 of 17 (permalink) Old 04-25-2019, 11:56 AM
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I tried the lighter port the other day using a jumper pack and the only thing that energized was the HVAC fan. Not even the interior light came on. So I'm thinking using the lighter port won't work.
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post #15 of 17 (permalink) Old 04-25-2019, 12:19 PM
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Quote:
Originally Posted by Fast_XC View Post
I tried the lighter port the other day using a jumper pack and the only thing that energized was the HVAC fan. Not even the interior light came on. So I'm thinking using the lighter port won't work.
Neil
Did you have the key in the ignition and turned to 'on'? If so, then yeah, I don't think that its an option to use the aux in the cabin..

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post #16 of 17 (permalink) Old 04-26-2019, 10:54 AM
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I tried it both with the key off and with it on.

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post #17 of 17 (permalink) Old 04-26-2019, 12:06 PM
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I tried it both with the key off and with it on.
Good info - that answers THAT question.
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