Tegger <invalid@invalid.inv> wrote in
news:Xns9CA0ABC6AF1B9tegger@208.90.168.18:


>
>
> I considered a bad ground as well, but dismissed that as being
> unlikely. The grounds are on the interior of the body shell and are
> rarely defective. The one exception is the taillight ground in the
> hatchback. That one is sometimes damaged in bad rear-end collisions.
>
> Power to the taillights is switched. Ground is permanent. This is the
> opposite of the horn circuit, where the horns are always live and
> ground is supplied by the horn contacts in the steering wheel.
>
> In any case, if the OP would check his front marker lights and rear
> license plate lights and see if they behave the same as the
> taillights, that would give us a clue. The markers and taillights use
> different grounds, but the taillights and license plate lights use a
> common ground.
>



I just had another thought: Suppose the aftermarket radio installation
included an amp in the rear of the vehicle. In that case, there would be
tampering of the wiring at that location. Somebody might have even spliced
in an aftermarket power antenna.


--
Tegger

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