Cool How To Hook Up Led Lights To Car Battery Ideas. Web hi friends,in this video i will show you how to connect a battery and led lights with a switch control. A set of led lights;
Web attach the negative side of the led light to the negative side, and then bring the negative battery wire back to its original position. When the car is running, i believe the battery voltage is around. [2] you can use any standard household battery, such as a aa, aaa, c or d battery, which are all 1.5v batteries.
