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New Toyota alternator draining battery

Discussion in 'Electrical' started by FurdFergason, Apr 9, 2024.

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Apr 9, 2024 at 7:29 PM

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#1
FurdFergason [OP] New Member

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Nov 10, 2023

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#106690

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2005 Tundra V8

I'm draining batteries so hunted down the root of the problem and it is a 5amp draw through my alt-S fuse. My question is if this can be related to anything other than the alternator. It is a new Toyota alternator 27060-0F050 from ToyotaPartsDeal so I'm at least a little skeptical the new one is a dud.

This is probably a stupid question but is there a relay that could have gotten fused, causing drain through the alt-s fuse area? Internet research seems to have everyone pointing at the diode in the alternator itself.

Thank you for your time.

FurdFergason, Apr 9, 2024

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