Immobilizer/alarm?

Dees 911 · Dees 911's Garage

I just found out that my immobilizer and alarm works. I found this out when it woke me, and the entire neighborhood, at 3a.m. last night. All I know about it is there's a spot for a key on the drivers door, but I don't have a key for it and wasn't aware it even worked. I've had the car for a year and didn't have a problem with this before. I had to disconnect the battery to get it to stop. I reconnected it today and everything seems alright. Anybody out there able to give me a little insight?

nh911 · nh911's Garage

I believe you can unhook it at the fuse box and not have any issues could be wrong though. Or you could try and order a key from porsche.

Akira28 · Akira28's Garage

The practical question is: Is it a porsche alarm? or is it that there used to be one and the key receptical location is still intact but it's not attached to anything. an after market/Viper/what ever?

My car has a Viper system installed and there is a little button under the stearing wheel (seperate from the alarm unit) that disables the system if you lose the key fob. There is a plugged hole in mine where the origional alarm used to be.

Akira28
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1983 911-SC Targa 3.0
1984 944-NA

Porsche_monkey · 05-29-2009, 10:34 AM

My guess is the hood popped open just slightly overnight and triggered the alarm.

http://forums.pelicanparts.com/showthread.php?t=67501\

http://forums.pelicanparts.com/showthread.php?t=364369&highlight=factory+alarm+disable

schoward · 05-29-2009, 10:46 AM

If its the factory alarm (pathetic beeping from the little alarm horn under front pan controlled by door key switch), see this thread. This solved my problem for nearly three years now on my 81. Problem simply related to age/corrosion. I too had no key and never messed with it until it randomly sounded. See top post and resolution at the bottom. Hope it helps.

http://forums.pelicanparts.com/showthread.php?t=289240

Dees 911 · Dees 911's Garage

Thanks, that helps a lot. You guys are the best!