The plug is very susceptible to getting just enough wear that it does
not make contact, even with a new bulb. I've had to "adjust" the inside
of the socket contacts enough that the bulb makes contact again several
times on mine.
Thank you: I'll put a volt meter on the plug's contacts and make
sure there's current, and if I see current I'll pry the contacts
out a little. The light stopped working during a snow storm at
Flagstaff--- when I needed it the most, darn it.
Desertphile's Desert Soliloquy. WARNING: view with plenty of water
I've had the same thing happen on my 99 Tahoe. I cleaned the contacts,
adjusted the contact prongs and replaced all the bulbs. Still only
worked intermittently. Finally went to the junkyard and got another
used one for $20 and now good as new. Was told that sometimes the unit
just goes bad.
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