2010 Chevrolet Avalanche Wiring Harnesses

Genuine GM wiring harnesses for the 2010 Chevrolet Avalanche, at wholesale prices. Harnesses carry the exact connectors and pinouts the modules expect, and they change with option content and build date. GMT800 for 2002-2006 and GMT900 for 2007-2013, with the midgate that folds the bulkhead into the bed.

When to replace

Rodent damage, corrosion at a connector, or a repair after collision work. On a light duty pickup, single or dual rear wheels, gas or diesel, and cab configuration divide this group more than the model year does.

Why buy OEM here

• Wholesale pricing. Most wiring harnesses numbers land well below dealer list.
• No aftermarket substitutes. These are GM wiring harnesses, not OE-style equivalents.
• We catch the wrong part before you do. VIN verification is free on every wiring harnesses order.

Avoiding the wrong part

OEM components carry GM warranty coverage, which is usually worth more than the price gap on the invoice. If you are unsure which version you have, give us the VIN and our specialists will confirm fitment. Stock moves out the door the day you order it, assuming you beat the mid-afternoon cutoff.