F350 brake lights flicker when truck is not in use

The '99 diesel six-speed has 105,000 miles, is equipped for towing a fifth-wheel, has been serviced by the book (except for more oil changes), is parked in a well-populated RV park, and lately has occasional flickering brake lights when the truck is swithed off and nobody is near it. What's a likely cause of this?

--David

Reply to
J David Ellis
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Brake light switch out of adjustment.

Spdloader

Reply to
Spdloader

Aliens?

Reply to
Junior

That was my first thought, too...

Reply to
StreetMedic

But no adjustment on the style used, wells part F4863 , NAPA Echlin ECHSL108.

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Whitelightning

Reply to
Whitelightning

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