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Battery Dead Hood Won't open- even w fuse jump

 
Old 04-17-2016, 08:22 PM
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Darkalley36
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Default Battery Dead Hood Won't open- even w fuse jump

Hey guys- after sitting for the winter I went out to start the car and the battery is dead.... No lights, nada. I tried jumping it via the red bar in the fuse box which didn't do anything (I had a great connection). If I leave a trickle charger on that over night will it charge the battery? Will one of those cigarette light jumpers work?

My car is a 2008 C4S
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Old 04-17-2016, 08:32 PM
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halo777
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There is an emergency hood release in the fender.

http://www.renntech.org/forums/topic...e-2006-997-c2/
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Old 04-17-2016, 08:33 PM
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Old 04-17-2016, 08:47 PM
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I'd let it charge overnight and go from there.
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Old 04-18-2016, 09:46 AM
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Originally Posted by Darkalley36 View Post
I tried jumping it via the red bar in the fuse box which didn't do anything (I had a great connection).

Will one of those cigarette light jumpers work?

My car is a 2008 C4S
The red pullout in the fuse panel is not designed to be used for jumping the car, just for supplying enough power to pop the hood so you can gain access to the battery.

A cigarette lighter charger like the Porsche OEM one can be used to charge the battery or to supply some temporary power to pop the frunk, but should also not be used as a jump-start point. Jump starting should only be done directly at the battery.

If you're not driving the car for a week or more, you should keep it on a maintenance charger and lock the doors to put the electronics to sleep. You may have to use the physical key to unlock the door if it has been multiple weeks since you established a remote connection between the key and the car.

Also, you're going to get lots of error messages when you finally do get the car restarted (PSM failure, etc). Carcalso may not run quite right until the ECU can relearn/retune the engine parameters.
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Old 04-18-2016, 10:24 AM
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Originally Posted by halo777 View Post
Very useful picture. I did not know this. Thanks for posting.
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Old 04-18-2016, 10:33 AM
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Originally Posted by halo777 View Post
That's a great picture - I printed and added it to my owner's manual...but it doesn't help if the wheel has a locking lug bolt and the lug bolt key is in the trunk, so I've moved the key inside the car.
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Old 04-18-2016, 12:40 PM
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If you do get the opportunity to take the wheel off and remove the wheel-well panels, make sure you add a leading cable to the hood release cable and snake it up to the hood where it can be accessed without having to go through this insanity next time around.
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Old 04-18-2016, 03:49 PM
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Originally Posted by jhbrennan View Post
..but it doesn't help if the wheel has a locking lug bolt and the lug bolt key is in the trunk, so I've moved the key inside the car.
Good point!
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Old 04-18-2016, 05:17 PM
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Originally Posted by halo777 View Post
awesome pic, thanks.
I will snake mine to the fog/signal light area instead of removing wheel & liner
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Old 04-18-2016, 05:32 PM
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Originally Posted by Darkalley36 View Post
Hey guys- after sitting for the winter I went out to start the car and the battery is dead.... No lights, nada. I tried jumping it via the red bar in the fuse box which didn't do anything (I had a great connection). If I leave a trickle charger on that over night will it charge the battery? Will one of those cigarette light jumpers work?

My car is a 2008 C4S
Did you try powering the red bar in the fuse box + ground to the door hinge : for the purpose of popping the hood only? (not to jump the engine)

If so, did you use the hood release button on the rocker panel, or the button on the keyless entry remote to pop the hood?

I recall when I tried this - the button on the rocker panel didn't work but the key button to pop the hood did work.
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Old 04-18-2016, 05:59 PM
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Originally Posted by 997_Toronto View Post
If you do get the opportunity to take the wheel off and remove the wheel-well panels, make sure you add a leading cable to the hood release cable and snake it up to the hood where it can be accessed without having to go through this insanity next time around.
I should have thought of this!
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Old 04-18-2016, 11:55 PM
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I can't remember and aren't near my cars. Does removing the side marker light give you an access point behind the inner fender liner where you could extend that release wire to a point close to the side marker as that would be very quick and easy to access.
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Old 04-19-2016, 12:01 AM
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Have you tried doing the fuse-jump and push the open hood button on the key?
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Old 04-24-2016, 04:04 PM
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Thanks guys the Manual release worked but FYI it took a TON of force to release it!!

Also I noticed the rubber around the shock separated.. Can this be replaced without replacing the shock?
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