Charging System Issue or Parasitic Drain (Comeback?) @ScannerDanner
Charging System Issue or Parasitic Drain (Comeback?)  @ScannerDanner
Uploaded March 2026 | Updated September 2026, 3 weeks ago
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00:00 Intermittent charging issue
01:28 Charging system explanation
03:03 Lab scope battery check
04:36 L terminal signal
06:35 Key-on waveform
08:24 Harness wiggle test
09:20 Harness inspection
10:38 ECM connector check
16:39 Signal check at ECM
18:47 Alternator tap test
19:55 Harness inspection
20:48 Intermittents suck
22:01 Customer update
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Charging System Issue or Parasitic Drain (Comeback?)

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