What Is an Engine Ground?

Loose Ground (?) Wire in Engine Bay

engine block to chassis ground and alternator to battery power

Need help identifying broken grounding cable

User manual Jump-N-Carry JNC660 (English - 32 pages)

Loose Starter Ground Damages Body Ground Strap

what is this wire and what does it do? Car works without it. : r/MechanicAdvice

03, How To Identify a Proper Ground Point

61 2x4 ground wire accelerator to engine? - CorvetteForum

Universal Engine Ground Strap Automotive, Professional Vehicle

Engine Block Ground Location: The Ultimate Guide to Checking and Testing, by Car Individuals