MAZDA BM5-6706YB Rear Trunk Lid Wiring Wire Harness 10-11-12-13

( Manufacturer Part Number: BM5-6706YB ), ( Removed From: 2010 Mazda Mazda3 I Sedan 4-dr 2.0l L4 16v 5-speed A/t Fwd ), ( Non-domestic Product: No ), ( Genuine: Oem ), ( Fits: 2010-2013 Mazda 3 Mazda3 ), ( Color: Black ), ( Fitment Type: Direct Replacement ), ( Material: Plastic ), ( Placement On Vehicle: Rear, Trunk, Liftgate ), ( Type: Trunk Harness ), ( Ipn: 10 11 12 13 ), ( Manufacturer Warranty: 30 Day ), ( Id: E-a167902 1007-r-kr ), ( Country Of Origin: Japan )

Review MAZDA Sedan Rear Trunk Lid Wire Wiring Harness Oem fits 2010–2013

The **Mazda BT50 (6706YB) 2010 2013 Rear Trunk Lid Wire Wiring Harness** is a meticulously engineered aftermarket component designed to restore proper functionality to the rear tailgate mechanism in Mazda s robust and versatile pickup truck. This wiring harness serves as the critical electrical backbone for the trunk lid s power-assisted locking system, ensuring seamless operation of the motorized latch, release mechanism, and integrated sensors. Crafted from high-quality, automotive-grade wiring and durable, corrosion-resistant connectors, this harness is engineered to withstand the demanding conditions of off-road and daily driving environments, where exposure to dust, moisture, and temperature fluctuations can compromise standard factory wiring. The design incorporates precise routing and shielding to minimize electromagnetic interference, guaranteeing reliable performance even in electrically noisy environments. Whether replacing a damaged original harness or upgrading for enhanced durability, this aftermarket solution offers a direct plug-and-play compatibility with the BT50 s trunk lid motor, eliminating the need for complex rewiring or modifications. Built to meet or exceed OEM standards, it ensures a secure and consistent connection between the trunk lid actuator, control module, and vehicle s electrical system, reducing the risk of intermittent failures or complete system malfunctions. Ideal for mechanics, DIY enthusiasts, and fleet operators seeking long-term reliability, this wiring harness is a cost-effective alternative to costly dealer replacements while maintaining the integrity of Mazda s trusted engineering.

### **Pros and Cons of Buying a Mazda B-M5 (6706YB) Rear Trunk Lid Wire/Wiring Harness (2010 2013)**

1. **Compatibility and Fitment** The wiring harness is designed specifically for the Mazda B-M5 (6706YB) model range (2010 2013), ensuring a proper fit without modifications. This reduces the risk of electrical issues caused by improper wiring.

2. **Reliability of Mazda Parts** Mazda s aftermarket wiring harnesses are typically built to meet the manufacturer s standards, which can improve durability compared to generic or low-quality alternatives.

3. **Prevents Common Failures** The rear trunk lid wiring harness is a critical component for the trunk release mechanism. A faulty harness can cause the trunk to fail to open, and replacing it with an OEM or high-quality aftermarket part can resolve persistent issues.

4. **Ease of Installation** Since the harness is designed for this specific model, installation should be straightforward, especially if you have basic electrical knowledge or access to a mechanic.

5. **Cost-Effective Repair** Replacing a damaged wiring harness is often cheaper than repairing or replacing the entire trunk release mechanism, which could involve more complex electrical or mechanical work.

6. **Accessibility of Parts** Mazda parts, including wiring harnesses, are widely available through dealerships, online retailers, and specialty auto parts stores, making it easy to source.

1. **Cost** While not excessively expensive, an OEM or high-quality aftermarket wiring harness may still be a noticeable expense, especially if you re on a tight budget. Prices can vary depending on the seller and whether it s a genuine Mazda part or a third-party alternative.

2. **Potential Counterfeit Parts** If purchasing from an unknown seller (particularly online), there is a risk of receiving a counterfeit or low-quality part that may not function correctly or could fail prematurely.

3. **Diagnostic Challenges** If the issue stems from a different problem (e.g., a faulty trunk release motor, switch, or ground connection), replacing just the wiring harness may not resolve the problem. Proper diagnostics are essential to ensure the correct part is being replaced.

4. **Labor Time** If you re not comfortable with electrical work, hiring a mechanic to install the harness will add to the overall cost. The job may require some disassembly of the trunk lid or interior components.

5. **Age of the Vehicle** If the Mazda is older or has significant wear, other related components (e.g., wiring, connectors, or the trunk mechanism itself) may also be failing. This could lead to recurring issues even after replacing the harness.

6. **Limited Availability of Genuine Parts** Genuine Mazda parts may be harder to find or more expensive than aftermarket options. Aftermarket parts, while often reliable, may not always match the exact specifications of OEM components.

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### **Conclusion**

Buying a Mazda B-M5 (6706YB) rear trunk lid wiring harness (2010 2013) is a practical solution for resolving electrical issues related to the trunk release mechanism. The benefits of using a compatible, high-quality part outweigh the drawbacks in most cases, provided you source it from a reputable seller and ensure the underlying problem is correctly diagnosed. However, if the vehicle has other aging components or electrical issues, addressing those simultaneously may be necessary to prevent future problems.

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### **Recommendation**

1. **Verify the Problem** Before purchasing, confirm that the issue is indeed related to the wiring harness (e.g., trunk not opening, intermittent electrical failure). Test the wiring with a multimeter or consult a mechanic to rule out other causes.

2. **Choose a Reliable Source** Purchase the wiring harness from a trusted dealer, Mazda-approved aftermarket supplier, or a well-reviewed online retailer to avoid counterfeit parts. Consider options like:

- **Genuine Mazda parts** (most reliable but potentially pricier).

- **High-quality aftermarket brands** (e.g., Dorman, Bosch, or parts from reputable auto parts stores like AutoZone, RockAuto, or Amazon with verified sellers).

3. **Budget Consideration** If cost is a concern, compare prices across multiple sellers. While aftermarket parts are often cheaper, ensure they meet Mazda s specifications. If the vehicle is older, weigh the cost of the harness against the overall value of the car.

4. **DIY vs. Professional Installation** If you have experience with automotive electrical work, installing the harness yourself can save labor costs. Otherwise, hire a mechanic, especially if the job requires disassembling the trunk lid or interior panels.

5. **Check for Additional Issues** While replacing the harness, inspect other related components (e.g., connectors, trunk release motor, ground wires) for signs of wear or damage. Addressing these proactively can extend the life of your repair.

**Final Verdict:** If the wiring harness is confirmed as the source of the problem, purchasing and replacing it is a sound investment. Prioritize quality and compatibility to ensure a long-term fix. For older vehicles, consider whether the repair is cost-effective given the car s overall condition.

Details:

THANKS IN ADVANCE, Capitally. They are 100% original OEM products. Pre-Owned Part. Review all photos carefully to better assess cosmetic condition, 100% PERFECT WORKING ORDER.

2010 2013 MAZDA 3 SEDAN REAR TRUNK LID WIRE WIRING HARNESS, Part Number BM5-6706YB / BBM5-6706YB, Genuine OEM. Used items may show signs of wear. Tested Quality.

part #: bm56706yb prices

• $174.30-$899.00

specifications trunklipa:

• for makes: Mazda
• for years: 2010-2013
• mpn: Bm5-6706yb
• removed from: 2010 Mazda Mazda3 I Sedan 4-dr 2.0l L4 16v 5-speed A/t Fwd
• non-domestic product: No
• genuine: Oem
• fits: 2010-2013 Mazda 3 Mazda3
• color: Black
• fitment type: Direct Replacement
• material: Plastic
• placement on vehicle: Rear, Trunk, Liftgate
• type: Trunk Harness
• ipn: 10 11 12 13
• manufacturer warranty: 30 Day
• id: E-a167902 1007-r-kr
• country of origin: Japan

payments trunklipa:

• wallet: Apple-pay
• other
• credit card: Diners-club

general trunklipa:

• Exterior Parts Accessories > doors, Trunk Lids Hatches > Hatches Trunk Lids
• condition: Used

shipping trunklipa:

• cost: $0.00
• type: Fixed
• transit: 4-9 Days
• class: Standard, Economy
• service: USPS Ground Advantage, UPS Ground Saver
• carrier: USPS, UPS

seller trunklipa:

• # reviews: 27402
• city: Columbus, Ohio
• rating: 99.8%

offer trunklipa:

• availability: In Stock
• options: Ship-to-home
• best offers: True
• quantity: 1
• sold: 0
• started: March 19, 2026

returns trunklipa:

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

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