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YOUR RESEARCHDead Battery!
Leading reported evidence
Use porta jump
Performed · outcome unconfirmed
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Leading evidence: 'Use porta jump' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run way down as the clock' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed
I used the stud in that location to secure the connector via the cap and lanyard so the connector doesn�t regress back in the hole.
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Suggestion · Original poster
Battery took the charge just fine but it did run all the way down as the clock reset.
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22 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261027T150039Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Facts: I haven't driven it for 2 weeks, in the garage, top down, key left in the console, alarm not set.
Used porta jump to open trunk. Battery took the charge just fine but it did run all the way down as the clock reset. Thoughts?
Battery was new in October.... I have gone 3-4 weeks between drives (I travel) and never had this issue.... I have a maintainer but don't always hook it up... I was curious if having the top down and not having the alarm on somehow left something active that would draw power.... The car usually only draws money$$$$$
If you bought it in October then it is still under warranty. Take it back to the store and have it tested. I bought a new Bosch battery and was having problems a few months later. Pepboys replaced it after testing it with no problems. It should hold a charge for several weeks even with the alarm system, etc.
+1 for a bad battery. I had no idea how inconsistent the quality of car batteries was until I went through three on my last truck before getting a reliable one.
But it's also true that the battery will hold its charge far better if you lock the car. There is a sleep mode that kicks in after 3 or 5 days - forget which - but it works. Left unlocked, there is a parasitic drain.
Hi,
Could it be the alternator? Last week I had to replace mine (996 '05 C4S; 18K miles). The battery checked out fine. The voltage meter had been registering 13V but occasionally just about 12V.
Good luck.
Beats me, but the sleep mode is explained in the manual, and there is less current drawn from the battery in this mode than when the car is 'normal', so to speak. Leaving the car unlocked for an extended period raises your chances of a dead battery vs. locking it.
Not that I know of but I'm sure someone has done it like that. Two main ways to connect a battery maintainer. One is through the lighter socket. This is simple because all you have to do is just plug it in. Second is to permanently connect a wiring harness with a plug to the battery. Sometimes this is a better way because if you lock up the car and the battery goes dead, you can connect your battery maintainer and get the car opened back up. Just don't leave the maintainer connector plug in the frunk!
After seeing your statement I decided to search the forum for ideas on this. Not that I have a battery issue but would like to have access to the battery if there ever was one. I saw in the 997 area what another rennlist member did and followed their lead. I had to extend the wires of the connector to make it reach and exit the cowl location on the far passenger side. I also had to trim a small piece of plastic away from the cowl (not visible with the exterior cap in place so the connector would fit through and exit the cowl. I used the stud in that location to secure the connector via the cap and lanyard so the connector doesn�t regress back in the hole.
Connection at the battery.
Routing of the cable under the cowl and over the cabin air filter.
Connector while in use.
Connector stored.
I've had the original battery and one replacement since I bought my car in 04. Finally put another one in last month for the hell of it even though mechanic said nothing was wrong with it.
Always left unlocked and with keys on the floor. Go figure, I guess the parasites don't affect my car!
I use one of these mounted next to the battery.
That's what I do with a short extension cord. When the car is in use it just stays coiled up in the battery compartment.
(the cushion thumb tacked to wall is where the door would touch if I get over zealous opening the door
)
FWIW, I use the lighter socket version and there is a little weatherstripping cutout on the bottom of the passenger door for the wire. Found it by accident one day.
If any of you guys are interested in Lithium-Ion Batteries, We, Antigravity Batteries make a battery that has Built-in Wireless jump-Starting... so you actually never have to worry about you battery going dead. Our battery puts itself to sleep just before going completely dead... but to awaken it to start your car or open your frunk you just push the Keyfob button that comes with the battery. Then start the car or you can get in your frunk. They also weight only about 14 lbs... and are an OEM fit.
You can see them at this link and in the video below.
https://shop.antigravitybatteries.co...es/automotive/
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You Tube
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