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Description
TAG | Direct Fit Wiring Harness | Mazda BT-50 Isuzu D-MAX MU-X 2020-ON | UNT351TAG Direct Fit Wiring Harness Solution for your Mazda BT 50 & Isuzu D MAX MU X The TAG UNT351 Direct Fit Wiring Harness is a sophisticated electrical solution designed for the latest generation of Mazda BT 50, Isuzu D MAX, and Isuzu MU X. This kit provides a reliable, ECU protected connection to ensure your trailer lighting works seamlessly with your vehicle's advanced onboard systems. This harness is engineered for rapid installation and complete
TAG Direct Fit Wiring Harness Solution for your Mazda BT-50 & Isuzu D-MAX MU-X
The TAG UNT351 Direct Fit Wiring Harness is a sophisticated electrical solution designed for the latest generation of Mazda BT-50, Isuzu D-MAX, and Isuzu MU-X. This kit provides a reliable, ECU-protected connection to ensure your trailer lighting works seamlessly with your vehicle's advanced onboard systems.
This harness is engineered for rapid installation and complete compatibility. Featuring a direct-fit ECU and a 7-pin flat plug with a reed switch (normally open circuits), it integrates perfectly with the vehicle's factory wiring. The system is designed to automatically manage reverse sensor cut-off, making towing easier and safer.
- Plug-and-Play: Direct fit ECU wiring option for a non-invasive installation.
- Quick Installation: Estimated fitting time of only 30 minutes.
- Automatic Integration: Includes automatic reverse sensor cut-off functionality.
- Ready to Use: No diagnostic coding or complex programming required.
- Included Hardware: Comes with a high-quality 7-pin flat plug.
Please Note: A wiring harness is a safety critical item. We strongly recommend you get your wiring harness installed by a professional towbar or vehicle accessory fitting workshop to ensure correct functionality and safety.
Specifications:
- Wiring Option: Direct Fit ECU
- Plug Connection: 7 Pin Flat Socket (Reed Switch)
- Fitting Time [min.]: 30
- Diagnostic Coding: Not Required
- Reverse Sensor Cut Off: Automatic
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| MAZDA | BT-50 | 11/2021 | - | Cab Chassis | TF | RZ4E-TC | 1.9L | Diesel | - | AWD |
| MAZDA | BT-50 | 11/2021 | - | Cab Chassis | TF | RZ4E-TC | 1.9L | Diesel | - | RWD |
| MAZDA | BT-50 | 11/2021 | - | Cab Chassis | 819C | RZ4E-TC | 2.0L | Diesel | XS | Automatic RWD |
| MAZDA | BT-50 | 11/2021 | - | Ute | TF | RZ4E-TC | 1.9L | Diesel | - | 4WD |
| MAZDA | BT-50 | 11/2021 | - | Ute | 819C | RZ4E-TC | 2.0L | Diesel | XS | Automatic 4WD |
| MAZDA | BT-50 | 11/2021 | - | Ute | B19C | RZ4E-TC | 2.0L | Diesel | XS | Automatic RWD |
| MAZDA | BT-50 | 01/2021 | - | Ute | TF | RZ4E-TC | 1.9L | Diesel | 4x2 | RWD |
| MAZDA | BT-50 | 08/2020 | - | Cab Chassis | B30B | 4JJ3-TCX | 3.0L | Diesel | XT | Automatic/Manual 4WD |
| MAZDA | BT-50 | 08/2020 | - | Cab Chassis | B30B | 4JJ3-TCX | 3.0L | Diesel | XT | Automatic RWD |
| MAZDA | BT-50 | 08/2020 | - | Cab Chassis | B30B | 4JJ3-TCX | 3.0L | Diesel | XT FREESTYLE | Automatic/Manual 4WD |
| MAZDA | BT-50 | 08/2020 | - | Cab Chassis | B30B | 4JJ3-TCX | 3.0L | Diesel | XT FREESTYLE | Automatic RWD |
| MAZDA | BT-50 | 08/2020 | - | Ute | B30B | 4JJ3-TCX | 3.0L | Diesel | GT, XT, XTR | Automatic/Manual 4WD |
| MAZDA | BT-50 | 08/2020 | - | Ute | B30B | 4JJ3-TCX | 3.0L | Diesel | XT, XTR | Automatic RWD |
| MAZDA | BT-50 | 07/2020 | - | Cab Chassis | TF | 4JJ3-TCX | 3.0L | Diesel | - | 4WD |
| MAZDA | BT-50 | 07/2020 | - | Cab Chassis | TF (TFS40JDR, TFS40JPR) | 4JJ3-TCX | 3.0L | Diesel | - | AWD |
| MAZDA | BT-50 | 07/2020 | - | Cab Chassis | TF | 4JJ3-TCX | 3.0L | Diesel | - | RWD |
| MAZDA | BT-50 | 07/2020 | - | Cab Chassis | TF (TFR40JDR, TFR40JPR) | 4JJ3-TCX | 3.0L | Diesel | - | RWD |
| ISUZU | D-MAX | 10/2021 | - | Cab Chassis | TFR, TFS | RZ4E-TC | 1.9L | Diesel | - | RWD |
| ISUZU | D-MAX | 07/2020 | - | Cab Chassis | - | 4JJ3-TCX | 3.0L | Diesel | SX | Automatic/Manual 4WD |
| ISUZU | D-MAX | 07/2020 | - | Cab Chassis | - | 4JJ3-TCX | 3.0L | Diesel | SX | Automatic/Manual RWD |
| ISUZU | D-MAX | 07/2020 | - | Single Cab | - | 4JJ3-TCX | 3.0L | Diesel | SX | Automatic/Manual 4WD |
| ISUZU | D-MAX | 07/2020 | - | Single Cab | - | 4JJ3-TCX | 3.0L | Diesel | SX | Automatic/Manual RWD |
| ISUZU | D-MAX | 07/2020 | - | Ute | TFS40 | 4JJ3-TCX | 3.0L | Diesel | CRD | Automatic/Manual 4WD |
| ISUZU | D-MAX | 07/2020 | - | Ute | TFR40 | 4JJ3-TCX | 3.0L | Diesel | LS-U, SX | Automatic RWD |
| ISUZU | D-MAX | 07/2020 | - | Ute | TFS40 | 4JJ3-TCX | 3.0L | Diesel | LS-U, SX SPACECAB | Automatic/Manual 4WD |
| ISUZU | D-MAX | 07/2020 | - | Ute | TFS40 | 4JJ3-TCX | 3.0L | Diesel | SX | Automatic/Manual 4WD |
| ISUZU | D-MAX | 07/2020 | - | Ute | TFS | 4JJ3-TCX | 3.0L | Diesel | SX | Automatic/Manual 4WD |
| ISUZU | D-MAX | 07/2020 | - | Ute | TFR40 | 4JJ3-TCX | 3.0L | Diesel | SX | Automatic/Manual RWD |
| ISUZU | D-MAX | 07/2020 | - | Ute | TFR40 | 4JJ3-TCX | 3.0L | Diesel | SX SPACECAB | Automatic RWD |
| ISUZU | D-MAX | 06/2020 | - | Cab Chassis | TFR, TFS | 3.0L | Diesel | DDI | 4WD |
| ISUZU | D-MAX | 06/2020 | - | Cab Chassis | TFR, TFS | 4JJ3-TCX | 3.0L | Diesel | DDI | AWD |
| ISUZU | D-MAX | 06/2020 | - | Cab Chassis | TFR, TFS | 4JJ3-TCX | 3.0L | Diesel | DDI | RWD |
| ISUZU | D-MAX | 06/2020 | - | Cab Chassis | TFR, TFS (TFR40J) | 4JJ3-TCX | 3.0L | Diesel | DDI | RWD |
| ISUZU | D-MAX | 11/2019 | - | Ute | TFR, TFS | RZ4E-TC | 1.9L | Diesel | DDI | 4WD |
| ISUZU | D-MAX | 11/2019 | - | Ute | TFR, TFS | RZ4E-TC | 1.9L | Diesel | DDI | RWD |
| ISUZU | MU-X | 11/2023 | - | SUV | TFS/TFR (UCR/UCS) | RZ4E-TC | 1.9L | Diesel | Ddi | AWD |
| ISUZU | MU-X | 11/2023 | - | SUV | TFS/TFR | RZ4E-TC | 1.9L | Diesel | Ddi | RWD |
| ISUZU | MU-X | 07/2021 | - | SUV | RJ | 4JJ3-TCX | 3.0L | Diesel | LS-M, LS-T, LS-U | Automatic 4WD |
| ISUZU | MU-X | 07/2021 | - | SUV | RJ | 4JJ3-TCX | 3.0L | Diesel | LS-M, LS-T, LS-U | Automatic RWD |
| ISUZU | MU-X | 06/2021 | - | SUV | TFS/TFR | 4JJ3-TCX | 3.0L | Diesel | Ddi | 4WD |
| ISUZU | MU-X | 06/2021 | - | SUV | TFS/TFR | 4JJ3-TCX | 3.0L | Diesel | Ddi | RWD |
Payment & Security
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
LOVE IT!
Color: Whiskey Barrel Brown, Size: 10.5" x 7" x 1.5"
Excellent quality! Love the color too. Make sure and purchase the largest size. Makes a nice gift.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
★★★★★ 5
Quality as promised.
Color: Rustic Montana, Size: 10.5" x 7" x 1.5"
Nice ! I am very pleased with this product. I like that its American made. The size is actually just right for what I needed. I will buy other products from this company when ready.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
★★★★★ 4
Great item, BUT…
Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5", Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5"
Do I love it? Yes.
Is it well made? It certainly appears to be.
Is the leather thick? Yes, I’d say definitely thick and sturdy.
Do I like the color (Bootlegger Brown)? Of course I do, it’s gorgeous.
It seems very well made. The corners are secured with black fasteners, which I think are going to better than the buttons in the long run that I’ve seen on others. It’s was this brand, or Hide and Drink for me. I went with these guys because it’s U.S. made, and hopefully American sourced leather.
I bought the Large. My concern was that the XL might be too large for my nightstand. I measured it out and everything. However, I was not counting on the length and width to be measured from the end of the pinched corners, so I was a little disappointed about the size of the useable surface area. It’s not a big deal, but I wish that I’d have just spent the extra $5 and got the XL. If I we’re to get another, I definitely go with the XL unless you just want something on the smallish side, but still I suspect that they are larger that what most others are offering. At least these guys give you a choice of options.
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Reviewed in the United States on March 31, 2023
★★★★★ 5
Valet Tray Worth the Price
Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5"
Product well packaged and is exactly as advertised. Great quality and workmanship. Bought for my husband and he really likes it.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Awesome EDC Organization
Color: Avalanche Gray, Size: 11.5" x 8" x 2"
Awesome! Great addition to the nightstand to keep stuff organized
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026