You need to clean each that has a file, or a thing to acquire them in which They are producing excellent Make contact with. Should they're burnt terribly you will have to maintenance them by putting copper on the edge connector or changing the pins in the housing. Also, this https://packmans-dispos24567.blogrenanda.com/42675576/5-easy-facts-about-2-gram-disposable-pacman-dispo-described