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Old 04-20-2016, 05:37 PM   #3
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Join Date: Dec 2009
Location: Orange County, CA
Posts: 1,984
Quote:
Originally Posted by particlewave View Post
Have you replaced the ignition switch recently?
I'd start there and disconnect/reconnect battery to get windows up.

Adding thoughts...
This behavior sounds exactly like a bad battery or connection. I went through something similar about a decade ago with my daily driver. Had the exact same symptoms when trying to start (clack from the starter solenoid, then the dome light and all electrics would die and not come back on until battery disconnected).
I replaced the battery, to no avail. After a few days of trouble shooting, I finally found a corroded ground cable. Replacing it fixed the problem, but I'd still start with your ignition switch as it's a known issue and fairly cheap at most auto parts stores.
Particlewave,

I already order the switch from Sunset Porsche because Pedro (Pedro's garage) kindly advised that the switch on my car was different from the earlier switches, and Sunset mentioned that if I don't install it, it could be returned.

Someone on the Cayman site also recommended to check the cable that goes to the starter and another one at the "Y" by the firewall because (according to him), if the connection is loose you could fry the switch or the starter..

I will remove the engine cover and check these cables while the switch arrives.

The good news is that I got a trio of teenager musicians that were practicing next door to help me push the car back into my house (offer them a six pack), and with the windows closed I can relax and check the car at my own pace.

Also, on the Cayman site I read that replacing the switch is not too difficult (somewhere I read that before… LOL)

Thank you for your comments!

Last edited by Gilles; 04-20-2016 at 05:41 PM.
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