DIY Mini Excavator Battery Switch Repair

Published at : 23 Dec 2025

The battery disconnect switch or "Cutoff Switch" on my Chinese Mini Excavator was faulty, causing frustrating intermittent power loss and starting issues. In this video, I walk you through how I repair and replace the bad disconnect switch to get my machine running reliably again! I also share a quick, essential mod for the cup holder to keep the water and debris out and preventing "Leaf Stew"!

#chineseminiexcavatorfix #batterycutoffswitch #batterydisconnect

Be sure to check out my Chinese Mini Excavator Playlist!

https://www.youtube.com/watch?v=_UcFAXVGCBs&list=PLFYe2XDI4gpwEL_hbv4WkkXQLdDE122-f&pp=gAQB0gcJCbAEOCosWNin

You can shop for the Mini Excavator stuff in these videos in my Amazon Store:

https://www.amazon.com/shop/themostlymikeshow/list/1AJL7HY3NE9P0?ref_=cm_sw_r_cp_ud_aip_sf_list_spv_ofs_mixed_d_K37PNTT2WFXHVAKQDYDX



------------------------------Video Chapters (So you can SKIP to the GOOD PARTS!)------------------------------------------

00:00 Introduction
00:25 The Problem with the battery disconnect switch
01:08 Exposing the battery disconnect switch
01:27 The battery is very hard to access on my machine
02:11 Viewing the underside of the battery disconnect switch
02:44 Removing the battery disconnect switch
03:34 Found a loose connection, but not the problem
04:27 Found tape on a connection
05:15 Testing the battery disconnect switch with a meter
06:07 How do I disassemble the battery disconnect switch??
07:11 Drilling the grommets to get the battery disconnect switch apart
08:56 The ACTUAL problem with the battery disconnect switch
09:59 Cleaning the contacts in the battery disconnect switch
11:33 Using dielectric grease to lubricate and protect the clean contacts
12:02 Reassembling the battery disconnect switch
15:08 Reinstalling the battery disconnect switch
16:34 Installing the cup holder and Preventing "Leaf Stew"
16:47 Testing the repaired battery disconnect switch
17:47 Conclusion on the battery disconnect switch