--- product_id: 88156446 title: "Metra 70-1859 Amp Interface Harness Compatible with 1999-2002 Full Size GM Trucks/SUV" brand: "metra" price: "£17.28" currency: GBP in_stock: true reviews_count: 10 category: "Metra" url: https://www.desertcart.co.uk/products/88156446-metra-70-1859-amp-interface-harness-compatible-with-1999-2002 store_origin: GB region: United Kingdom --- # Plug & play install 9-pin amp activation No wire cutting needed Metra 70-1859 Amp Interface Harness Compatible with 1999-2002 Full Size GM Trucks/SUV **Brand:** metra **Price:** £17.28 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your sound, not your wiring headaches! ## Quick Answers - **What is this?** Metra 70-1859 Amp Interface Harness Compatible with 1999-2002 Full Size GM Trucks/SUV by metra - **How much does it cost?** £17.28 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/88156446-metra-70-1859-amp-interface-harness-compatible-with-1999-2002) ## Best For - metra enthusiasts ## Why This Product - Trusted metra brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Zero Wire Damage:** No cutting or splicing required—preserve your vehicle’s original wiring integrity. - • **Amp Activation Made Easy:** Includes a dedicated 9-pin connector to power your factory amplifier effortlessly. - • **Quick & Clean Installation:** Designed for a hassle-free upgrade, saving you time and frustration. - • **Perfect Fit for GM Classics:** Specifically engineered for 1999-2002 full-size Chevy trucks and SUVs. - • **Seamless Factory Integration:** Plugs directly into your GM truck’s existing wiring harness for a flawless fit. ## Overview The Metra 70-1859 Amp Interface Harness is a vehicle-specific wiring solution designed for 1999-2002 full-size GM trucks and SUVs. It enables seamless installation of aftermarket radios by connecting directly to factory wiring without any cutting. Featuring a 9-pin connector to activate the factory amplifier, this harness ensures a clean, plug-and-play upgrade that preserves your vehicle’s original wiring integrity. ## Description Interface Wiring Harness for select 1999 to 2002 GM full size trucks and SUV vehicles allows for the installation of an aftermarket radio using the existing factory wiring and connectors for quick and easy installation. Plugs into car harness at radio. Includes additional 9 pin to activate factory amplifier. No cutting of factory wiring is needed. Review: Worked great! Extra red wire needed - I have to thank the person that mentioned connecting the extra single red wire on the second harness to the blue power antenna wire. I had no sound until I did that. Directions were clear, but that extra wire wasn’t labeled. Worked perfect! Review: Works great - Works great ## Features - GM Amp Interface Harness.Fit Type: Vehicle Specific - For Chevy 1995-2002 Vehicles - Includes additional 9 pin to activate factory amplifier - No cutting of factory wiring needed ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00L2SISXA | | Best Sellers Rank | #231,095 in Automotive ( See Top 100 in Automotive ) #365 in Automotive Replacement Radio Electrical Accessories | | Brand | Metra | | Brand Name | Metra | | Cable Type | Auxiliary or USB | | Connector Type | [Incomplete] 9-pin | | Customer Reviews | 4.6 out of 5 stars 342 Reviews | | Global Trade Identification Number | 00086429280261 | | Included Components | Metra 701859 CHEVY 95-02' FULL SIZE WITH AMP | | Item Dimensions | 1 x 2 x 3 inches | | Item Type Name | Dash Kit | | Item dimensions L x W x H | 1 x 2 x 3 inches | | Manufacturer | Metra Electronics | | Material | Acrylonitrile Butadiene Styrene | | Material Type | Acrylonitrile Butadiene Styrene | | Model | 701859 | | Number of Items | 1 | | Part Number | 701859 | | UPC | 086429280261 | | Unit Count | 1.00 Count | | Warranty Description | 1 Year Limited | ## Product Details - **Brand:** Metra - **Connector Type:** [Incomplete] 9-pin - **Item dimensions L x W x H:** 1 x 2 x 3 inches - **Manufacturer:** Metra Electronics - **Material:** Acrylonitrile Butadiene Styrene ## Images ![Metra 70-1859 Amp Interface Harness Compatible with 1999-2002 Full Size GM Trucks/SUV - Image 1](https://m.media-amazon.com/images/I/61N7pnHIyhL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worked great! Extra red wire needed *by M***N on February 24, 2024* I have to thank the person that mentioned connecting the extra single red wire on the second harness to the blue power antenna wire. I had no sound until I did that. Directions were clear, but that extra wire wasn’t labeled. Worked perfect! ### ⭐⭐⭐⭐⭐ Works great *by B***Z on March 26, 2026* Works great ### ⭐⭐⭐⭐⭐ Dependable Metra Quality *by 1***O on July 15, 2024* You can't go wrong ordering Metra products to adapt your new car stereo to existing OEM wiring. 👍 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/88156446-metra-70-1859-amp-interface-harness-compatible-with-1999-2002](https://www.desertcart.co.uk/products/88156446-metra-70-1859-amp-interface-harness-compatible-with-1999-2002) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-30*