How To Test Wires With Multimeter. You can also figure out if your light bulb is blown out or still works. For any other person this might not be a big deal but for a DIYer its a necessity and will add more firepower to your DIY arsenal.
If you want to test the continuity of a wire touch one side of your multimeter to one end of the wire and the other side to the other end. Touch one of the meter probes to the R terminal to which the red wire is attached and the other probe to the G W or Y terminal and note the reading. You can also figure out if your light bulb is blown out or still works.
Thus if there is an unbroken circuit through the speaker there will be a continuous tone output from the multimeter and the meter will not read OL.
Once you get a reading you know theres a continuous flow with no break and your wire is good. How to test a wire for power with a multimeter. One black negative and the other red positive. Once you get a reading you know theres a continuous flow with no break and your wire is good.
