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Lisle 64970 Parasitic Drain Tester, One Size, Factory

Free shipping on orders over $29.99

$24.44

$ 10 .99 $10.99

In Stock

About this item

  • Replaceable in-line fuses protect both the meter and tester in the event a high current source on the vehicle is left on
  • The multimeter is bypassed with the switch during connection in case of a power surge
  • The tester and meter can remain connected until other computer systems shut down, isolating the drain
  • As a convenience, stacking banana connectors are used on the tester
  • This allows voltage to be measured on various locations on the vehicle during the drain test, using standard test leads


Provides an Easy Method to Connect a Multimeter to the Vehicle Electrical System to Diagnose Hidden Battery Drain.


Michael C.
2025-09-03 14:41:34
Works great, have used several times to find loads. Very accurate, easy to use.
Ryan G Nissen
2025-08-20 15:43:03
A must for troubleshooting electrical faults in anything that has an automotive, truck, power equipment with DC battery
Paul
2025-08-14 18:21:26
Yet another tool I was on the fence about buying. Yes you can get by without this tool. But it makes yer another car issue easier to deal with.There are several other brands that Amazon sells, but Ive always liked Lisle. In my opinion they make decent, well priced tools.
drogers14613
2025-07-09 17:29:37
Nicely constructed.... should be very useful.
jim chemsak
2025-07-04 18:55:23
Highly recommend this battery adaptor cord for trying to find those pesky parasitic drain problems. Has a mini fuse on both positive & negative cords.
Customer
2025-05-22 13:00:13
had a parasitic drain problem for about a year. bought this tool and within 30 minutes i was able to run it down. this little thing is priceless. works like a charm
chad
2025-05-14 13:18:01
This tester does exactly what it’s supposed to do. The switch is not wired wrong. When the switch is flipped on the power goes threw just the clamp wires and not the DMM tester. Which is a must have for me because my BMW takes a while to go into sleep mode. Before sleep mode my car draw enough amps to blow my DMM tester fuse. Once my car is into sleep mode I can flip the switch into the off position which lets the current flow there my DMM tester to read the A or mA. As long as I switch it back to the On position I can even remove my DMM tester to check fuses without waking the car up. In my case I have more than one DMM tester and did not need to do so. I did have to replace the 10 amp fuse on the clamp side of the tester to a 15amp. I know the directions say to not use a fuse larger than 10 amps but I had to because my car kept blowing the 10amp mini fuse on the clamp side. Other than that my testing went as planned and I found my parasitic draw.
Customer
2025-04-29 12:14:57
Bought months ago. Sat in my tool box for a while before finally trying to use it to find the battery drain in my truck. First time hooking it up. Both fuses blow, showing there is a short in the wires. And of course I'm outside the return window. Do not buy.
Boomer
2025-04-19 15:13:08
this product helped me identify a parasitic drain caused by the infotainment system on a car i had in my shop
FFLEON
2025-04-09 12:53:40
Muy funcional y práctico para medir consumo de corriente parásita!
High tech guru.
2025-02-27 21:48:46
Works excellent checking for draws on batteries. Has on/off switch for switching between meter and battery
Carlos.
2025-02-06 20:10:13
Me gustaron los cables se miran de buena calidad ya los use y si trabajan bien pude sacar una descarga parasitaria de 2 vehiculos
luigi torchia
2025-01-27 20:37:00
Very happy with the quality . Works great. Very helpful.
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