bad connection somewhere, start with cleaning them all well, especially any intermediate connections under the hood, like the plugs on the bulbs and any terminal blocks on the inner fender - also make sure you generator/regulator [or alternator] connections are all clean and tight

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics