Quote:
Originally Posted by MikeTangas
The bulbs hardly draw any power and you could leave them on all night without problem.
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Only true really with the euro headlights and older tail assemblies. The ones on a 73 4.5 would use about double a trunk light's power which drained my battery when left on for 24 hours.
As for not working from bright to dim, they would if you cleaned the potentiometer - for about 3-6 months. Then corrosion makes them screwy again.