Originally Posted by safulop

Yeah well, on the other hand my voltmeter has always read too low, can't figure out why. My mechanic suggested it is caused by the main "kill switch" that was installed in the rear, the ground now has to travel through a switch. We'll see how it does when the colder weather arrives.

-Sean

Originally Posted by safulop

Yeah, instead of all the tools in the toolbox, I have a gigantic main switch that disconnects the battery via the ground strap. It's kind of dumb, but it makes it easy to work on the car. But it may also disturb the high-quality ground current that the 928 enjoys.