-----Original Message-----
>Are these spiral bulbs subject to failure due to trailer vibration maybe?
>Anyone know?
All I know is that I've had spiral bulbs in my coach for years with no failures, including over the rockies and back. The overvoltage
suggestion sounds like a good possibility. Otherwise, I'd guess your bulb was made late one Friday afternoon.
Peace,
-- Lew #4239
'72 Safari 23'
'99 Chevie 3500 conversion van, still awaiting transplant ("it's on the boat")
Still stuck in Columbus, where the high today will be 85, while in Copper Harbor it will be 67.