OTC Tools & Equipment OTC-6945 Parasitic Draw Test Switch

Test switch is used with an amp meter to isolate parasitic amperage draws on all GM vehicles or any vehicle with a side- or top-post battery Features Parasitic Draw Test Switch This tool attaches between the negative battery lead and the battery then the vehicle road is tested Fuses are then removed one at a time until the circuit source of the parasitic draw is located Similar to J-38758 - SKU: MDCO140179