sealed beam headlights
My Harney coach has the sealed beam headlights. The high beam is great but, the low beam is almost worthless. I am thinking about changing them to LED's and was wondering if anyone else has already d...
Forum Discussion
Sylvania's cheapest 6054 sealed beam is no upgrade. None of sylvania's sealed beams have a good beam pattern.
Start engine, turn on the headlamps, and put a DMM on the prongs of the bulb.
Compare to voltage at battery terminal for both high and low beam.
Find where the h4 connector grounds to the body/frame/fenderwell, and clean that ground.
Retest voltage drop.
Start engine, turn on the headlamps, and put a DMM on the prongs of the bulb.
Compare to voltage at battery terminal for both high and low beam.
Find where the h4 connector grounds to the body/frame/fenderwell, and clean that ground.
Retest voltage drop.
