--- product_id: 14828219 title: "iJDMTOY 12V Horn Relay Wiring Harness Kit for Car/Truck Blast Tone Horns" brand: "ijdmtoy" price: "97.95 DT" currency: TND in_stock: true category: "I Jdmtoy" url: https://www.desertcart.tn/products/14828219-ijdmtoy-12v-horn-relay-wiring-harness-kit-for-car-truck store_origin: TN region: Tunisia --- # 12V DC power rating 30-40 AMP max current capacity 4-pin SPST relay with socket iJDMTOY 12V Horn Relay Wiring Harness Kit for Car/Truck Blast Tone Horns **Brand:** ijdmtoy **Price:** 97.95 DT **Availability:** ✅ In Stock ## Summary > 🚗 Amplify your presence with power and precision! ## Quick Answers - **What is this?** iJDMTOY 12V Horn Relay Wiring Harness Kit for Car/Truck Blast Tone Horns by ijdmtoy - **How much does it cost?** 97.95 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/14828219-ijdmtoy-12v-horn-relay-wiring-harness-kit-for-car-truck) ## Best For - ijdmtoy enthusiasts ## Why This Product - Trusted ijdmtoy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Heavy-duty relay and metal contacts engineered for consistent, long-term performance. - • **Dual Horn Ready:** Supports two horns simultaneously for that commanding, attention-grabbing sound. - • **Effortless Power Boost:** Direct battery feed prevents overload on factory wiring for reliable horn blasts. - • **Plug & Play Simplicity:** Pre-wired relay harness with inline fuse ensures safe, quick installation. - • **Universal Compatibility:** Fits most 2-contact horns including Hella Supertone for seamless upgrades. ## Overview The iJDMTOY 12V Horn Wiring Harness Relay Kit is a robust, pre-wired 4-pin SPST relay system designed to safely power high-draw car or truck horns up to 160W. It features a 12V DC rating, supports up to 40 amps, and includes an inline fuse for protection. Compatible with popular horn models like Hella Supertone, this kit simplifies installation by providing dual outputs for two horns, ensuring reliable, overload-free operation by drawing power directly from the battery. ## Description Buy iJDMTOY 12V Horn Relay Wiring Harness Kit for Car/Truck Blast Tone Horns | 30-40A 4-Pin SPST Relay, 160W Max, Inline Fuse, Dual Horn Outputs, Battery Power, Universal Fit, Horn Not Included: Wiring Harnesses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - One relay wiring harness set includes a 4-pin SPST relay module box, in-line safety fuse box, input +/- terminals, two terminals for triggering and dual metal contact outputs for reliable and efficient electrical connections - The pre-wired SPST 4-pin electrical relay unit, complete with socket and rated at 12V DC with a maximum of 30-40AMP, is ideal for most heavy duty electronic devices, light applications between 9-16V DC, with a wattage not exceeding 160W - Two-wire universal fit inptut trigger, with dual outputs, good for most 2-contact horns such as Hella 003399801 Supertone and many other aftermarket high/low tone horns - Perfect for power management, this relay harness is ideal for applications like high wattage horns drawing power directly from the battery to prevent excessive load on the vehicle's existing wiring system and ensuring safe, easy on/off operation - Installation tips: connect output contacts to up to two pieces of supertone horns, attach red/black O-ring/C-ring to battery +/- or ACC/accessory 12V+/ground, route the signal triggering wires to origial horn sockets ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00XM107FC | | Best Sellers Rank | #112,134 in Automotive ( See Top 100 in Automotive ) #411 in Automotive Replacement Electrical Wiring Harnesses | | Brand Name | iJDMTOY | | Coil Voltage | 12 volts_of_direct_current | | Connector Type | Wire Terminals Or Spade Connectors | | Contact Current Rating | 40 A | | Contact Type | Normally Open | | Current Rating | 30 A | | Customer Reviews | 4.2 4.2 out of 5 stars (1,295) | | Item Highlight | 30-40A 4-Pin SPST Relay, 160W Max, Inline Fuse, Dual Horn Outputs, Battery Power, Universal Fit, Horn Not Included | | Item Weight | 9.5 ounces | | Manufacturer | iJDMTOY Auto Accessories | | Minimum Switching Voltage | 12 volts_of_direct_current | | Model | For Repair, Conversion, Custom Retrofit | | Mounting Type | Socket Mount | | Number of Items | 1 | | Operation Mode | Manual | | Part Number | AA1147 | | Unit Count | 1 Count | | Wattage | 160 watts | ## Product Details - **Brand:** iJDMTOY - **Connector Type:** Wire Terminals Or Spade Connectors - **Contact Type:** Normally Open - **Current Rating:** 30 A - **Mounting Type:** Socket Mount ## Images ![iJDMTOY 12V Horn Relay Wiring Harness Kit for Car/Truck Blast Tone Horns - Image 1](https://m.media-amazon.com/images/I/81t6zpVTxwL.jpg) ## Questions & Answers **Q: Would this work for an installation on a 2006 Honda Recon 250?** A: Yes **Q: Does this relay work with the hella horns or is this the same relay that comes with the hella horn?** A: This relay does NOT work with Hella horns, I tried to use it to install them on my Subaru and they did not function at all. go with this. https://www.rallysportdirect.com/fits/2010-subaru-impreza-wrx-sti-special-edition-hatchback-2-5/horns/grm-040005-grimmspeed-wiring-harness-for-hella-horns?gclid=CN-Y9t6tss4CFcZahgodee8AYQ **Q: : Does the relay delay the new horns and just play the OEM horn if you just hit the horn button?** A: Are you leaving the OEM in as well? I replaced the OEM one with the dual blast ones and they worked fine with no delay **Q: at the time i ordered this i did not know it did not come with a relay harness... does anyone know a harness i can get that is compatible? /w 2 relay?** A: iJDMTOY (1 12V Horn Wiring Harness Relay Kit Compatible with Car Truck Grille Mount Blast Tone Horns - COMES WITH A RELAY. This one fits all Subaru models. But harnesses without relay should work as well. I bought it with a relay for better performance and to protect the Hella horns. PS. Water and humidity will rust the relay connectors. I strongly recommend to apply a small amount of dielectric grease on all connector pins before installing. --- ## 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.tn/products/14828219-ijdmtoy-12v-horn-relay-wiring-harness-kit-for-car-truck](https://www.desertcart.tn/products/14828219-ijdmtoy-12v-horn-relay-wiring-harness-kit-for-car-truck) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-06*