Two #FavoriteToolFriday selections. #SnaponSelects 📸 the_chs_auto_shop "Auto students learning how to check battery voltage and alternator output using a Snap-on EEDM525 digital multimeter and performing complete starting and charging test using a Snap-on EECS550 wireless tester." #wirelesstester #EECS550 #multimeter #digitalmultimeter #Snapon #snapontools