GMC TRUCK 647.GM9D12 Lamp Wiring Harness

( Brand: Gmc Truck ), ( Part Type: Wiring Lamp Harness ), ( Conditions Options: Headlamp Harness, Complete, Denali ), ( Genuine Oem: Yes ), ( Ipn: 647.gm9d12 ), ( Manufacturer Warranty: 60 Day )

Review GMC TRUCK Lamp Wiring Harness fits YUKON 2012

The GMC Yukon 2012 Lamp Wiring Harness, part number 647.GM9D12, is a critical component of the vehicle's lighting system. This original equipment manufacturer (OEM) wiring harness is specifically designed for the GMC Yukon model year 2012. It ensures proper connection and functionality of various exterior lamps, including headlamps, parking lamps, tail lamps, and turn signal lamps.

The harness is made up of multiple circuits, each with insulated wires of different colors to distinguish their functions. The wires are carefully bundled together and protected by a flexible, durable, and heat-resistant insulation material. The connector pins are gold-plated to prevent corrosion and ensure a secure connection.

The headlamp circuit consists of wires for high beam, low beam, parking lamp, and daytime running lamp functions. The parking lamp and turn signal circuits ensure correct operation of the vehicle's tail lamps and turn signals. The wiring harness also includes a ground wire for proper grounding of the lamp circuits.

The 647.GM9D12 wiring harness is designed to meet or exceed the original equipment specifications for the GMC Yukon 2012. It is a direct replacement for the original harness, ensuring a perfect fit and reliable performance. The OEM design ensures compatibility with all other electrical systems in the vehicle.

This wiring harness is a vital component for maintaining the safety and functionality of the GMC Yukon's lighting system. If you notice any issues with your vehicle's exterior lamps, such as dim or non-functioning lights, or if you're performing a restoration or repair project, this OEM wiring harness is an essential part of the solution.

When installing the harness, it's important to follow the instructions provided by the manufacturer carefully. Properly connecting the wires in the correct order and securing the harness in place will ensure a successful installation and prolong the lifespan of the wiring harness.

In summary, the GMC Yukon 2012 Lamp Wiring Harness, part number 647.GM9D12, is a high-quality OEM component designed to ensure the proper functioning of the exterior lighting system in your GMC Yukon. It is made up of multiple circuits with insulated wires and gold-plated connector pins, providing reliable performance and durability. This harness is a direct replacement for the original harness and is essential for maintaining the safety and functionality of your vehicle's lighting system.

Pros and Cons of Buying a GMC Yukon 2012 Lamp Wiring Harness

a. OEM (Original Equipment Manufacturer) Part: A factory-made wiring harness ensures a perfect fit and compatibility with your specific vehicle model and year.

b. Time-Saving: Replacing a faulty wiring harness with a new one can save you the time and effort of diagnosing and fixing individual wires one by one.

c. Improved Performance: A new wiring harness can lead to better lighting performance, as worn-out or damaged wires can affect the brightness and reliability of your vehicle's lights.

d. Enhanced Safety: Properly functioning lights are crucial for your safety and the safety of other road users. A new wiring harness can help ensure that all your vehicle's lights are working as intended.

a. Cost: Replacing a wiring harness can be an expensive repair, especially for larger vehicles like the GMC Yukon.

b. Installation Complexity: Wiring harnesses are intricate systems that can be challenging to install, especially for those without automotive repair experience.

c. Availability: Obtaining the correct wiring harness for your specific vehicle model and year may not be readily available from local auto parts stores, requiring you to order it online or from a specialty shop.

When deciding to buy a GMC Yukon 2012 lamp wiring harness, consider the advantages of an OEM part, the time-saving potential, improved performance, and enhanced safety. Weigh these benefits against the costs and installation complexity. If you are comfortable with the installation process and the cost is within your budget, a new wiring harness can be a worthwhile investment for the improved reliability and safety of your vehicle's lighting system.

If you are unsure about the installation process or the cost, consider consulting a professional mechanic or an auto parts store for advice. They can help you assess the condition of your current wiring harness and determine if a replacement is necessary. Additionally, they may offer installation services or recommend less expensive alternatives, such as repairing individual wires or using aftermarket wiring harnesses.

Details:

Conditions/Notes: HEADLAMP HARNESS,COMPLETE,DENALI. Model: YUKON. Stock Number: B6820. YUKON 2012 Lamp Wiring Harness 365545: HARNESS ONLY.

Standard Warranty. Hollander Part Number: 647.GM9D12. Mileage: 188000.

part #: 647.gm9d12 price

• $175.90

specifications othercarlight:

• for models: Yukon
• for makes: Gmc
• for years: 2012
• brand: Gmc Truck
• part type: Wiring Lamp Harness
• conditions options: Headlamp Harness, Complete, Denali
• genuine oem: Yes
• ipn: 647.gm9d12
• manufacturer warranty: 60 Day

offer othercarlight:

• started: March 22, 2025
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

payments othercarlight:

• other
• wallet: Paypal
• credit card: Visa

seller othercarlight:

• city: Shepherd, Michigan
• rating: 96.6%
• # reviews: 1720

shipping othercarlight:

• type: Fixed
• cost: $0.00
• service: UPS Ground, Standard, FedEx Ground or FedEx Home Delivery
• class: Standard
• transit: 4-9 Days
• carrier: UPS, FedEx

returns othercarlight:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

general othercarlight:

• Car Truck Parts Accessories > Lighting Lamps > Headlight Assemblies
• condition: Used

Gmc Truck 365545 Is Similar To:

• 1223-0055lr Brock Gmc Pickup Truck Suburban Yukon Set Lower Signal Side (32.6% similar) Note: fits model's with composite headlamps only. Visually compare the part you are replacing with our pictures. Match reference numbers from the item specifics section above. Please through messaging...(September 7th, 2018)
• 1224-0059r Brock Chevy Gmc Suv Pickup Truck Passengers Front Park Signal (21.5% similar) Please through messaging. Match a reference number from the e-z chart below. Chevy Gmc SUV pickup Truck passengers front park signal marker light a high quality aftermarket replacement passengers side assembly made to fit and function like the original. They are created using the original equipment ...(November 8th, 2018)
• 1224-0151r Brock Gmc Sierra Pickup Truck Yukon Xl Passengers Front Signal (32.1% similar) Gmc sierra pickup Truck yukon XL passengers front signal marker light a high quality aftermarket replacement passengers side park assembly made to fit and function like the original. 3l engines only Gmc yukon 2000 XL new body style, please through messaging. Note: excluding denali year make model ...(April 5th, 2018)
• 12497274 General Acdelco Gm Genuine Oem Gmc Sierra Yukon Right Hand (28.8% similar) Free shipping: if an item is offered with shipping - for lower 48 USA only. 3L, 8 Cl all photography is for illustrative purposes only and persons depicted are model's. 1l 1500 crew cab long box, standard extended short regular 2500 cab, 3500 chassis, 137. 3l flex, 8 Cl 6l diesel, 8 Cl. Higher ...(October 4th, 2018)
• 2 Ck1 Center Gmc Bulb 3 Roof 00-07 15219564 Marker Chev Lamp Gm (28.1% similar) ...(July 20th, 2015)
• Gmc 2500 Clearance Rear 3500 15248604 Chevrolet Lamp (23.6% similar) In gm box verify fit Chevrolet avalanche base 2001 , 2002 , 2003 , 2004 , 2005 , 2006 , 2007 Chevrolet avalanche Stu base 2003 Chevrolet avalanche SUV base 2001 , 2003 Chevrolet Silverado base 2001 , 2002 , 2003 , 2004 , 2005 , 2006 , 2007 , 2008 , 2009 , 2010 , 2011 , 2012...(June 26th, 2015)
• 15607059 Tridon Gmc Sierra Chevy Truck Terminal Turn Signal Flasher Relay (26% similar) This item came out of a 1990 Gmc sierra with 150. Used items are they will have normal use and wear. Please understand you are looking at used items. Gmc sierra Chevy Truck terminal turn signal flasher relay oem Triton'this is in working condition ready to be installed...(November 8th, 2018)
• 15721391 1998-1999 Lamp Oem Plate Gmc Jimmy Genuine Rear Light Left License Driver (22.9% similar) Brand new gm genuine left rear license plate lamp is a direct fit for the following model's Gmc jimmy genuine gm part all gm parts are oem genuine and are direct factory replacements for any of the listed vehicles...(October 28th, 2014)
• 15851787 Gm Chevrolet Gmc Genuine Harness (30.3% similar) Shipping carrier substitutions may be made at our determination in an attempt to reduce cost the customer. Electrical parts are not returnable. Parts must be resalable and in the original packaging...(May 20th, 2018)
• 04 Mtd Stop 164739 Gmc High Light Yukon (22.7% similar) The 30 day period starts when the part is delivered. If you are buying a large heavy item its best to double check that the shipping price is accurate or the item can be shipped for free free shipping is not actually free for us as a business...(January 19th, 2015)
• Signal 2001-2007 Pn Yukon Gmc Lh Lamp Oem Turn Park 16524675 16524676 Sierra Rh 16524675 (31.5% similar) Bin this pair of oem 2001 to 2007 Gmc sierra yukon driver side passenger side parking lights turn signals are pre owned in nice condition...(December 10th, 2014)