Entity Warren Lail spoke thus:

> the "pros" had just attached to the original  (and old) wiring harness

The main bugaboo with the Vanagon is that the negatives are all common, that
is, they are grounded through the vehicle's body. Modern sound systems need
independent control of each speaker, so you need to rewire them anyway.
Installers either don't want to or don't care.

-- Gnarlie