Home » OTC 7645 Parasitic Battery Draw Test Switch
OTC 7645 Parasitic Battery Draw Test Switch
OTC 7645 Parasitic Battery Draw Test Switch

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OTC Equipment Tools

OTC 7645 Parasitic Battery Draw Test Switch

SKU: OTC7645
$112.16

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OTC Tools OTC 7645 Parasitic Battery Draw Test Switch. Finding electrical problems that drain the battery is getting harder all the time. Using the draw test switch w/ your digital amp meter takes the guesswork out of a complicated job. Attach the test switch between the negative battery cable & the battery, & then road test the vehicle. Next, connect an amp meter to the switch to determine the parasitic amperage draw, & locate the excessive electrical drain on the battery. Works on any vehicle w/ side or top post batteries.