This auto memory saver maintains voltage continuity to an engine computer when the vehicle battery is disconnected and is particularly useful when changing the main battery. It has sufficient power to keep a car’s memory alive, including the clock an...

Expert Quality, relay tester. Used to check 4 and 5 pin electro - mechanical relays. Operated by a 12V vehicle supply. Contents: 1 x Relay Tester...

Expert Quality, measures two stroke, four stroke and distributor less ignition systems (DIS) by inductive pickup. Features/functions include: , 1 to 8 cylinder;, x10 reading;, Data holding facility;, Large 2000 count LCD;, Low battery indicator;, Aut...