Do you think the wiring is that small?

Yup, and I like Gregg. I wouldn't steer him wrong or attempt to BS him with some armchair theory -- at least not above my sig line. The voltage won't be the same all over, and those conductors are likely to be "right sized," not undersized or oversized.

The problem I have is not knowing the 700 or where its voltmeter is actually connected. So the science is lacking without the quantities. How much time lapses when headlamps are cued after the high-voltage startups.

I'd be interested to see some of the voltage drops in that S60* of yours, so much later in the copper shedding game. Did Volvo employ the power bus and CAN switching at the load? I know what the design challenge is, but have no clue what Volvo's done to meet it, post RWD.

*for example, check across a brake light bulb, rear window defogger, tank pump, or other remote load compared to alternator voltage.


--
Art Benstein near Baltimore

A dog teaches a boy fidelity, perseverance, and to turn around three times before lying down. -Robert Benchley