應該買個測試線，這個準確

https://www.amazon.com/Lisle-64970-Parasitic-Drain-Tester/dp/B00RGN5UAY/ref=sr_1_1?crid=1P3FFJGH4ZDZR&keywords=Parasitic+Drain+Tester&qid=1699389744&s=automotive&sprefix=parasitic+drain+tester%2Cautomotive%2C164&sr=1-1

 

所有跟帖： 

• 多此一舉 -TBz- ♂ (449 bytes) () 11/07/2023 postreply 14:20:51

• 我的皮卡是有一個電池開關，可以用這個；把萬用表接開關兩端，熄火後斷掉開關，不斷ECU小電流就行 -soccer88- ♂ (87 bytes) () 11/08/2023 postreply 11:37:05