sounds like you need a new alternator or have a grounding issue somewhere
check the radiator
The battery ,which gives power to the truck, looses its power because the lights use power from the battery to work. It's just like a batery for a toy.
I have a 1999 dodge neon that looses power and can't get to cruising speed
If the lights in a room are off, the circuit is open, meaning there is a break in the flow of electricity and the lights cannot receive power. When the lights are turned on, the circuit is closed, allowing electricity to flow and power the lights.
Lights must be on during periods of restricted visibility. ref: EQ-2
It requires more power, RPM goes down when demand for power is higher especially if lights are on or air conditioning
Yes, some lamps draw a small amount of power even when they are turned off, due to features like standby mode or indicator lights.
In the USA, congress looses power never!
i cannot fine which relay has turned off my fuel pump and i do not have power to my lights
In a closed circuit, the lights will be on, assuming there is a power source connected to the circuit and the switch controlling the lights is turned on. This is because the closed circuit allows the flow of electricity from the power source to the lights, completing the circuit and causing the lights to illuminate.
Retained Accessory Power. When the Ignition is turned off, power will stay on for a short period of time for things like the radio, and interior lights.
A magnet looses its power when heated.