The cylinder plugs are called "Banana Plugs" and you insert them into the "Banana jacks" on the panel. You can purchase either at the LHS or radio Shack. Solder wiring connections whenever you can and if they can contact other wiring protect with heatshrink tubing, also available at both listed locations. Be sure nothing can fall across the battery terminals and short circuit it. [:'(] [:@] When in doubt, always ask someone. It's safer.