1. Car Audio/Video Wire Harnesses Offered
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  3. METRA 70-2003T

METRA 70-2003T Data Retention Harness 086429081561 Gm 2000-UP

70-2003t Metra Gm 2000-up Class 2 Data Retention Harness

( Brand: Metra ), ( Manufacturer Part Number: 70-2003T ), ( Type: Class 2 Data Retention Harness ), ( Compatible Vehicle Make: Cadillac, Chevrolet, Gmc ), ( Custom Bundle: No ), ( Country/region Of Manufacture: United States ), ( Compatible Vehicle Model: Gmc, Chevy, 2000, Up ), ( California Prop 65 Warning: Warning, Including Lead, Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. Wash Hands After Handling. ), ( UPC: 086429081561 )

Review METRA 2000 Up Class Data Retention Harness

The Metra 70-2003T GM 2000-Up Data Retention Harness is an essential accessory for anyone looking to integrate aftermarket radios or other electronics into their GM vehicles manufactured from the year 2000 onwards. This harness is specifically designed to retain the critical data connections required for various vehicle functions, ensuring a seamless and fully functional integration.

The Metra 70-2003T harness boasts an OEM-grade design, featuring a plug-and-play configuration that makes installation quick and easy. It includes a multi-pin connector that mates directly with the vehicle's factory radio harness, allowing you to bypass the factory radio when installing aftermarket electronics. This eliminates the need for complex wiring modifications and the potential complications that come with them.

This harness is engineered to support vital vehicle functions, such as Retained Accessory Power (RAP), illumination functions, and steering wheel controls. Retained Accessory Power ensures that your accessories, such as your alarm system or backup camera, continue to function even when your vehicle is turned off. Illumination functions keep your instrument cluster and other interior lights operational, while steering wheel controls enable you to maintain full control over your audio system using your vehicle's factory steering wheel buttons.

The Metra 70-2003T GM 2000-Up Data Retention Harness is constructed from high-quality materials designed to withstand the rigors of daily use. The wires are shielded and insulated for optimal signal clarity and resistance to electromagnetic interference, ensuring a stable and reliable connection between your aftermarket electronics and your vehicle.

In summary, the Metra 70-2003T GM 2000-Up Data Retention Harness is an indispensable tool for anyone looking to upgrade their vehicle's audio or other electronic systems while retaining the functionality of their factory features. Its OEM-grade design, plug-and-play configuration, and support for critical vehicle functions make it a must-have accessory for a successful and hassle-free installation.

The Metra 70-2003T GM 2000-Up Data Retention Harness is a device designed to help maintain the functionality of certain features in GM vehicles after the installation of aftermarket radios or other electronic components that may interfere with these features. Here are some potential pros and cons of purchasing this harness:

Pros:

1. Preserves vehicle features: The main advantage of this harness is that it enables the retention of various features such as OnStar, StabiliTrak, and other advanced systems that may not function properly after the installation of aftermarket radios or other electronic components.

2. Easy installation: The harness is designed to be easy to install and connect to the vehicle's wiring harness, making it a convenient solution for those looking to upgrade their in-car technology without sacrificing essential features.

3. Compatibility: The Metra 70-2003T is compatible with a wide range of GM vehicles produced from 2000 to the present, making it a versatile option for a large customer base.

Cons:

1. Cost: The harness is not an inexpensive accessory, and some users may be deterred by the price tag, especially if they are only looking to install a new radio.

2. Complexity: While the installation process is relatively straightforward, some users may find the wiring and configuration of the harness to be more complex than they anticipated.

3. Limited functionality: It's essential to note that the harness only provides data retention for certain features and may not address all potential issues caused by aftermarket installations.

In conclusion, the Metra 70-2003T GM 2000-Up Data Retention Harness can be a valuable investment for those looking to maintain the functionality of their vehicle's advanced features after installing aftermarket electronics. However, it comes with a higher price tag and may not address all potential issues. Ultimately, the decision to purchase this harness depends on the specific needs and priorities of the user.

If you are primarily concerned with preserving vehicle features such as OnStar, StabiliTrak, and other advanced systems, and you are willing to invest in a solution that ensures their continued functionality, then the Metra 70-2003T may be a worthwhile investment. However, if you're on a budget or only require a simple radio upgrade, this harness may not be necessary.

Details:

New in package.

part #: 702003t prices

  • $29.95-$54.12

specifications wirewham:

  • brand: Metra
  • mpn: 70-2003t
  • type: Class 2 Data Retention Harness
  • compatible vehicle make: Cadillac, Chevrolet, Gmc
  • custom bundle: No
  • country/region of manufacture: United States
  • compatible vehicle model: Gmc, Chevy, 2000, Up
  • california prop 65 warning: Warning, Including Lead, Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. Wash Hands After Handling.
  • upc: 086429081561

offer wirewham:

  • quantity: 1
  • options: Ship-to-home
  • started: September 23, 2025
  • best offers: True
  • availability: In Stock
  • sold: 0

seller wirewham:

  • # reviews: 3
  • city: Philadelphia, Mississippi
  • rating: 0.0%

returns wirewham:

  • policy: No Returns

general wirewham:

  • condition: New
  • Vehicle Electronics GPS > Car Audio Video Installation > Wire Harnesses

shipping wirewham:

  • carrier: USPS
  • cost: $4.52
  • service: USPS Ground Advantage
  • transit: 4-10 Days
  • type: Calculated
  • class: Standard

payments wirewham:

  • credit card: Mastercard
  • other
  • wallet: Apple-pay
type: class 2 data retention harness, compatible vehicle make: cadillac, chevrolet, gmc, custom bundle: no, country/region of manufacture: united states, compatible vehicle model: gmc, chevy, 2000, up, california prop 65 warning: warning, including lead, known to the state of california to cause cancer and birth defects or other reproductive harm. wash hands after handling.,
category: electronics > vehicle electronics gps > car audio video installation > wire harnesses, sku: 3128258901632604,

Metra 70-2003T Is Similar To:

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5 offers $29.95–$54.12 USD
  • Offer #1: $29.95 price + $0.00 shipping estimate = $29.95* total. Direct Fit for GM Vehicles: Designed for select 2000 2006 GM models with Class 2 Data systems. Type: TurboWires T-Harness for GM Class 2 Systems.FREE SHIPPING
  • Offer #2: $46.95 price + $0.00 shipping estimate = $46.95* total. Metra 71-5520-1 Into OEM Radio Harness for Select 2003-2012 Ford/Lincoln/Mazda.FREE SHIPPING
  • Offer #3: $54.12 price + $0.00 shipping estimate = $54.12* total. 24-Pin t-harness. Interface Harness to be used with the Class 2 Data Retention.FREE SHIPPING
  • Offer #4: $49.81 price + $10.50 shipping estimate = $60.31* total. Interface Harness to be used with the Class 2 Data Retention Harness and SP-2003 Door Chime Speaker to hear audio from OnStar . This harness is to be used along side Metra class 2 data retention harness.This harness along with Metra SP-2003 provides vehicles chimes and audio from ONSTAR.+$10.50 shipping
  • Offer #5: $26.95 price + $0.00 shipping estimate = $26.95* total. Metra 70-2103T Wiring Harness for 2004-2006 Chevrolet Malibu.FREE SHIPPING

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