Keep electrical signals moving between your truck and its transmission with the Pioneer Automotive Industries Transmission Wiring Harness, part number 772117. It is an exact-fit replacement for the 2006-2014 Chevrolet Silverado 2500 HD, 2007-2014 Chevrolet Silverado 3500 HD, 2006-2014 GMC Sierra 2500 HD and 2007-2014 GMC Sierra 3500 HD. It also fits the additional Chevrolet, GMC and Hummer models listed below.
A transmission wiring harness links the vehicle's electrical system to the transmission's electrical components, carrying power and signals through its wires and connectors. Pioneer designs its transmission components as exact-fit, no-compromise replacement parts. This harness is built to take the place of an original that is worn, damaged or corroded.
- Exact fit: Pioneer builds its transmission components as exact-fit replacements, with no compromise.
- Electrical link: Carries power and signals between the vehicle wiring and the transmission's electrical components.
- Application-matched: Cataloged for the Chevrolet Silverado, GMC Sierra and Hummer H1 applications listed below.
Signs this part may need replacing: The signs include erratic or harsh shifting, a transmission that stays in one gear, transmission-related warning lights or trouble codes, and wiring or connectors that are chafed, burned or corroded. Other faults can cause the same symptoms, so diagnose the cause before replacing the harness.
Fits: 2006-2014 Chevrolet Silverado 2500 HD; 2006 Chevrolet Silverado 3500; 2006-2014 GMC Sierra 2500 HD; 2006 GMC Sierra 3500; 2006 Hummer H1; 2007 Chevrolet Silverado 2500 HD Classic; 2007 Chevrolet Silverado 3500 Classic; 2007-2014 Chevrolet Silverado 3500 HD; 2007 GMC Sierra 2500 HD Classic; 2007 GMC Sierra 3500 Classic; 2007-2014 GMC Sierra 3500 HD. See the Buyer's Guide tab for engine-specific fitment.
Interchange: 350-0087
29543336 · 3500087 · D121446D
This part cross-references / interchanges with the following part numbers:
29543336, 350-0087, 3500087, D121446D
