Link G4 ECU high voltage

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08 December 2019, 05:15 PM

Daniel Paul Biggs

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Link G4 ECU high voltage

Gents. My car GC8 is pulling 23v and the ecu is shutting it down. What can cause this spike?

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08 December 2019, 05:23 PM

1509joe

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Possibly a failed regulator in the alternator.

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08 December 2019, 09:32 PM

Neilxr

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Measure the battery voltage at the battery when engine is running

could be internal reg in ac alt or internal reg inside the g4 ecu

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