[T3] Lights
Jim Adney
jadney at vwtype3.org
Thu Nov 2 06:20:46 PDT 2017
On 1 Nov 2017 at 20:54, dlstiefel wrote:
> They are brighter when the brakes are applied than when just the tail
> lights are on.
This sounds like you're comparing the brightness with both of them on to the
brightness with the brake lights alone. If so, that's not the right test. It needs
to be alone to alone.
A bad ground will effect the bright filament more than the dim one, so that
might be a problem. If that's the case, you would see it as a difference in
side to side brightness of the brake lights, because the grounds are separate
and it's unlikely that you'd have exactly the same ground problem on both
sides.
It's also possible that with the new paint you have NO ground at the sockets.
In that case, each bulb still gets a sort of ground back thru all the other
filaments in that side. Test for this by removing all the bulbs from each side
and then check the resistance to ground from the lamp base to a chassis
ground.
Finally, with standard bulbs, the apparent brigthness is VERY dependent on
the reflectivity of the chrome reflector. If that reflector is corroded, or just
tarnished, it will make a HUGE difference. If it's tarnished, you may be able
to polish it, but if the chrome is corroded or flaking off, the only fix is
replacement.
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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