[Vwdiesel] was removing ignition switch, now dim headlights

[mikitka]

Sounds like the ground to the body isn't sufficient. You want to make sure
that all electrical ground connections are clean and tight. I have learned
that the first sign of an electrical problem you go back over all the ground
wires and their connections, clean them all. Just because they look ok
doesn't mean that they are.
 Nick

One problem I still have though, is the dim lights.  I've replaced the
ground straps, and put a new 4ga wire from the battery+ to the starter, and
cleaned up the wires at the starter.  New battery too.  The lights are still
really dim, can't see very well if there is oncoming traffic with lights
on.  All the fuses look fine, what should i check next?

Chris