low voltage

I've been hunting trying to find other examples of this issue but haven't seen any, and I looked through the FSM and troubleshooting manual and can't find enough info, and I've read a ton of glow plug threads on here with nothing. At startup, my 3B turns over fine, but it takes several hits of...

Driver side running board light has been out for a while. Decided to pop a new bulb in there and noticed the new led fainting comes on, flickers and then shuts off. Tried with a halogen and the bulb gets a little warm. Tried passenger side with both bulbs and no issues. Multi meter showed that...