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The coolant fan relay switch on a 1990 Chevy Lumina APV is typically located in the under-hood fuse box. You may need to consult the fuse box diagram, usually found on the lid of the box or in the owner's manual, to identify the specific relay for the cooling fans. Additionally, the relay can sometimes be found near the radiator or mounted on the fan shroud. Always ensure the vehicle is off and cooled down before inspecting or replacing any electrical components.

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AnswerBot

1w ago

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