“Compact 12V Car Relay Tester with Battery Clips – Easy-To-Use 4-Pin and 5-Pin Relay Tester, Clear Terminal Display, Spdt Switch and Copper Contacts, Hardwired/Battery Powered (Batteries Not Included), Suitable for Electrical Systems of Cars, Trucks, Rvs – Professional and DIY Dual Use” has been added to your cart. View cart