2004 Chevy Avalanche Parts Diagram - Wiring Forums Seeking information regarding 2004 Chevy Avalanche Parts Diagram? you are right here. You may be a specialist who intends to seek referrals or solve existing troubles. Or you are a trainee, or perhaps even you that simply would like to know regarding 2004 Chevy Avalanche Parts Diagram. 2004 Chevy Avalanche OE Wiring Harnesses & Stereo Adapters Chevy Avalanche 2004, Factory Replacement Wiring Harness by Metra®, with OEM Radio Plug. For factory stereo. This high-quality Metra wiring harness is just what you need to replace your defective or aged factory wiring harness. Wiring diagram for a 2004 Chevy Avalanche radio wire harness Wiring diagram for a 2004 Chevy Avalanche radio wire harness - Cars & Trucks finding anything i found a bulletin describing this exact problem what happens is if ur vehicle has memory seats the wiring harness under the driver seat can get pinched from moving the seat inspect all the harnesses under the seat this fixed 2004 Chevy Avalanche Hitch Wiring | Harnesses, Adapters Chevy Avalanche 2004, Plug-In Simple!® Towing Wiring Harness with 4-Flat Connector by Hopkins®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with.. 2004 Chevrolet Avalanche Trailer Wiring | etrailer Lowest Price Trailer Wiring Guarantee. Installation instructions and lifetime expert support on all purchases of 2004 Chevrolet Avalanche Trailer Wiring. Order online at etrailer 2004 Chevrolet Avalanche Car Radio Audio Stereo Wiring Here is the stereo radio wiring information for your 2004 Chevrolet Chevy Avalanche with the standard, symphony, or Bose systems. It will be useful when installing an aftermarket radio, sound stereo system, or other automotive accessories.