[gtsracer]

Originally Posted by Bush Pilot

Disconnect your battery from the car terminals and measure the voltage. What do you measure?

Originally Posted by Gilles

No, the connector I am talking about is in the front luggage compartment (close to the battery) and it goes through the firewall.

At least on the 987 (this connector that goes through the firewall) is part of a "power module" that is located behind the glove compartment, it connects to the positive battery cable and powers the 'power module' that includes high amp fuses.

On the 987, the battery cable plugs into this connector with a strange "spring" type friction plug that you have to pull hard to disconnect, no clips, no nuts.. it just attaches the cable to the plug with tension.

On my car I pulled the cable from the rod, use a fine emery paper (2000 wet sand paper) to polish the rod, and cleaned the spring type connector at the end of the cable with a toothbrush using a solution of water and baking soda, to remove the greenish 'acid'..? then used electric contact cleaner and once it dried, I used dielectric grease on both, the rod and the spring connector, a common practice when you have Italian cars ..lol Afterwards I never had that issue again.

Hopefully this helps

Seems like mine has cable going from the positive battery terminal to a kill switch. Can not find anything that resembles connector you described. May be it is 987 only. Thanks