I have a Sanden 1616A in my 2007 beettle. It has what appears to be a safety clutch to protect the belt in case of compressor lockup, but no wires from the front of the compressor. There is a two wire connector at the back of the compressor which I assume is attached to a control valve that puts...
build date unknown
driven normally until day of failure when my visiting daughter floored it up the hill right out of the driveway.
VW full synthetic oil, about a month after oil change service at dealership
symptoms - sudden loud whine and loss of power. Glow...