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Registered
Join Date: Oct 2009
Location: Savannah GA and NC Mountains
Posts: 1,169
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Uninserted key sucks battery down??
I have a 997 and was told today the leaving the key in the car (not in ignition) sucks the battery down bec it continually "talks" to the computers. Any truth to this?
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'88 Backdated to '74 Carrera, '80 backdated to RSR Sold BAT 1958 Speedster 2014 TurboS, '05 997 Cpe, 944 Full Race prep 2023 Cayenne Turbo 63 Split Window Vette 69 911 T Narrow Body Hot Rod Sleeper |
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01-14-2021, 02:39 PM
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Registered
Join Date: May 2008
Location: Grapevine, TX
Posts: 1,110
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May want to try the 997 Forum here. This 911 forum is for the air cooled cars.
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01-14-2021, 02:46 PM
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Slow old car
Join Date: Jan 2014
Location: SE PDX
Posts: 444
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It could be true- this forum is generally for 911 model years up to 1989. You might try the 997 forum (Porsche 996/997/991 Forum - Pelican Parts Forums)
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Mike 1980 911 SC 3.1 Coupe // 1986 VW Vanagon Syncro EJ22 // 2015 Macan Turbo // 2017 i3 REX |
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01-14-2021, 02:46 PM
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Registered
Join Date: Apr 2006
Posts: 2,069
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Saw the title and had to click. Our keys don’t suck the battery down even when inserted.
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Ass-engine Nazi slot car -- PJ O'Rourke |
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01-14-2021, 03:18 PM
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Registered
Join Date: Oct 2009
Location: Savannah GA and NC Mountains
Posts: 1,169
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Sorry I know better. Just awake from nap
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'88 Backdated to '74 Carrera, '80 backdated to RSR Sold BAT 1958 Speedster 2014 TurboS, '05 997 Cpe, 944 Full Race prep 2023 Cayenne Turbo 63 Split Window Vette 69 911 T Narrow Body Hot Rod Sleeper |
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01-14-2021, 06:00 PM
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Registered
Join Date: Jan 2003
Location: Dublin, CA
Posts: 6,284
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On my 996, if I leave the key in the ignition, it will drain down the battery.
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Sergio The GT Lid Whisperer PCA 42yrs - National DE Instructor / Ex-RGruppe #197 '19 718 Cayman S (9th Porsche/1st with PDK) '14 Subaru Forester XT (Porsche support vehicle) |
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01-14-2021, 06:41 PM
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RETIRED
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Something sucks my battery down. Hence my battery tender. ��
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01-14-2021, 07:57 PM
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Registered
Join Date: Jul 2000
Location: So. Calif.
Posts: 19,910
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I suggest mutilating your IP and install something like this to monitor the electrical/charging system. This one replaces the factory cigarette lighter. Other models insert into the lighter socket.
 Sherwood |
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01-14-2021, 10:03 PM
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RETIRED
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Ciggies lighter voltage thingies aren’t accurate. Best to do a port with a fused straight to the battery circuit. Just sayin’.
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01-14-2021, 10:08 PM
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Registered
Join Date: Jul 2000
Location: So. Calif.
Posts: 19,910
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They're as accurate as their build quality and better than assuming all is ok. It's fairly low tech electronics. Source electricity is the same throughout the circuit save for connection resistance. Of course the voltage reading is more accurate when connected closer to the battery, e.g. the fuse box. However, knowing the base circuit voltage allows one to monitor battery and system during operating conditions.
S |
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01-14-2021, 10:54 PM
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Driver, not Mechanic
Join Date: May 2013
Location: SF Bay Area
Posts: 3,011
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I suppose the car "thinks" you're inside and about to start the car, so it's "ready". Maybe radio is on or lights... Do 997s have keyless entry options? Does yours have one?
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01-15-2021, 06:01 PM
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Da cab
