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Bulbs OK? They can and do burn out.

[color:"blue"]Pull back on the dimmer stick and see what happens?[/color] If that works OK (low and high beams on), then might be a problem in the headlight combo switch:
- http://www.4crawler.com/4x4/CheapTricks/Headlights.shtml#Headlight_Combo

Otherwise check for voltage at the headlight connector itself:
- http://www.4crawler.com/4x4/CheapTricks/Headlights.shtml#VoltageTest



[color:"blue"] Just the one HI beam comes on, once the two lo beams flashed when I first turned them on, nothing... [/color]

'92 Pickup x-cab, 22re, auto.
'50 Ford Tudor Sedan, my new "Hot Rod"

Too much to do, too little time/$$$

Heb. 12.3