After getting my car back from the dealer
(after crash repairs) my sub woofer hasn't
After checking the fuses, spent some time tracking
the problem with multimeter.
Hmmm, power okay, but no earth! WTF?
On opening up the little hole for the rear light cluster
(where I'd attached the stripped earth wires under the
retaining bolt) I notice someone has crimped a ring
connector. So someone's obviously messed
with my wiring.
Thing is, the middle retaining bolt no longer gives
a good earth. Why would that be?
Anyway, fixed it by earthing to one of the other
retaining bolts. Just in time for me hols.