How to Install a Capacitor (with Pictures) - wikiHow METHODTIPSWARNINGSTHINGS NEEDED Understand the basic idea of a capacitor. The capacitor acts as a storage tank for electrical power. The amount of power that the capacitor can store is measured in Farads and the general rule of thumb is that you will need one Farad of capacitance for every one kilowatt (or 1,000 Watts) of power demand in your system.Decide whether or not you want an internal meter. Some capacitors come with built in meters that diSee all 3 steps on wwwhow72%(19)Published: Jun 12, 2011Views: 215K Videos of car stereo capacitor wiring Click to view on YouTube11:14How To Charge and Install a Capacitor | Car Audio Q&A272K viewsYouTube · Click to view on YouTube1:30How To Install A Car Audio Capacitor1 viewsYouTube · 6/15/2010Click to view on YouTube4:57How to Install a Car Audio Capacitor in your Vehicle185K viewsYouTube · 1/8/2017See more videos of car stereo capacitor wiring Car Audio Capacitor Installation Car Audio Capacitor Installation . There is often a lot of confusion on how to wire a car audio capacitor (a.k.a. power capacitor or Stiffening™ capacitor). There are two terminals on a car audio capacitor. A positive and a negative. The negative terminal is connected to ground.