I already know I have 12+ volts at the battery (car off or running). I have 12 v on the interior side of the bulkhead connector (car off). I've got a voltage drop somewhere between the bulkhead connector and the gauges. With the car off I get a little less at the battery feed of the fuse box. And even less on the accessory side in the run position. It drops yet another volt there at the fuse box when the car is running.