PicoScope 7 Automotive
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- Mon Nov 27, 2017 7:29 pm
- Forum: Diagnostic discussion
- Topic: Floating grounds
- Replies: 1
- Views: 3489
Floating grounds
Hi all,
In one of Jorge Menchu's articles he says that: 'when the engine is off, the battery is the lowest ground, when it's running, the alternator is the lowest ground'. I can't see why there is a difference, can anyone explain?
In one of Jorge Menchu's articles he says that: 'when the engine is off, the battery is the lowest ground, when it's running, the alternator is the lowest ground'. I can't see why there is a difference, can anyone explain?