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Battery Light Due to Damaged Alternator Wire Harness Connector on GMC Sierra 3500

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Problem overview

The battery light may illuminate on the instrument panel because the alternator wire harness connector is damaged. A new connector kit is available and should be installed to correct this concern.

3 people reported this problem

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GMC Sierra 3500 vehicles with this problem

1 model year affected

2007 GMC Sierra 3500 HD

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Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

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Battery Light Due to Damaged Alternator Wire Harness Connector on GMC Sierra 3500

Problem overview

GMC Sierra 3500 vehicles with this problem

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