OTC 6945 J-38758 Parasitic Draw Test Switch Shop By Category>Steering Special tool T10107A 6mm supersedes

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OTC 6945 J-38758 Parasitic Draw Test Switch Shop By Category>Steering Special tool T10107A 6mm supersedesOTC 6945 J 38758 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. This tool attaches between the negative battery lead and the battery, then the vehicle road is tested. The next step is to connect an amp meter to each side of the switch, thereby allowing all available current to pass through the meter. Fuses are then removed one at a