Charging devices in a car?

I usually was able to charge my phone and gps even when the car is turned off… It works on my 2004 ford car… Where as it doesn't work in other cars. Why is that. What is the universal setup in cars like.is it safe or possible to charge devices in a car even if the engine is turned off.

How to get trasit van radio working (FM)?

My dad has a ford transit I don't know what make but the dam thing had a caset player, so it's fairly old. If you switch the radio on you will get all normal UK stations, Radio 1 for example. But you only get theses stations for 3minuets at max maybe we got an hour once, never happened again.
Here is the strange part, there's FM channels and AM channels and AM works 100% with no issues at all, is there anyway to fix this? Had this happeneded to any else?

FORD AUTOMOTIVE TECHNICIANS PAY?

I'm GETTING READY TO START UTI AND I'm A HUGE FORD FAN So I'm GOING TO BE TAKING THEIR FORD PROGRAM AS WELL. I'm CURIOUS AS TO HOW MUCH A TECHNICIAN FOR FORD CAN MOVE UP IN THE INDUSTRY

My car won't crank over and the lights dim when ignition is in the on position?

I just put a new engine in my 1976 Ford Gran Torino and I hooked up a new battery, new solenoid, and new cables and I wanted to see if it would crank over and it did crank over but later that day I went to crank it over again and I put the key in and turned it to the on position and the lights dim then when I try to start it the lights get bright and another thing I noticed was that when the car is able to turn over the headlights work and stuff like the windshield wipers work and when its not working those things don't work and at first I was able to unplug everything from the starter solenoid and hook it back up and sometimes it worked for a little bit.

Whetre is location of indicator relay in Ford Cougar?

I have 1999 Ford cougar. My cars indicator relay's gone I need to replace it. I couldn't location of indicator relay even I checked the car service book. Any idea where the location of the indicator relay would be?

Is a GMC Sierra a solid truck?

I'm in the market for a full sized pickup truck and would just like to know what is a solid truck? I'm partial to a dodge or a GMC (not chevy for some reason) i wouldn't be against a ford or chevy though I'm just looking for a reliable truck that I can work and play in. Please help. And I don't want the Fords suck or Dodge is best answers so please leave it proffesional people