For Reference Only:
2003-2006 Silverado Sierra Tahoe Fuse Box Relay Unit
Please make sure to match the Part Number of the item with the one you have! 

Fuses and Relays are recommended to be replaced. In case of a return, Buyer will only be covered for the item price. 

This Fusebox is a core, recommended to be repaired/re-manufactured before installation. Fusebox appears to be in good condition but has not been tested.

Please review all photos and the part number as this is the exact unit you will receive.