Tundra 2WD V6-40L (1GR-FE) 2005 Battery Technical Service Bulletins - Page 4503
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White: Charging Necessary
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Red: Insufficient Water
CHECK BATTERY TERMINALS, FUSIBLE LINK AND FUSES
a. Check that the battery terminals are not loose or corroded.
b. Check the fusible link, H-fuses and fuses for continuity.