Dual Horn Harness for Polo Single Skoda — Plug-and-play single-to-dual horn upgrade harness for Volkswagen & Skoda. Fit a proper high-low horn set, no cutting. No cutting or soldering needed.
Single to Dual Horn Conversion: Specifications & Compatibility
| Brand | TecUpdater |
| Warranty | 1 Year |
| Return Policy | Exchange Only |
| UOM (Unit of Measure) | 1 Harness to connect two horns |
| Shipping | Same/Next day Free BlueDart shipping |
| Product Type | Single to Dual Horn Conversion Harness |
| Design | Plug & Play, factory-style horn splitter for 4D0 971 992 and 1J0 973 702 connector |
| Wiring Material | 1.5 SQ.MM High-Quality Thick copper core wiring |
| Connector Type | OEM-type VW/Skoda horn couplers |
| Insulation | OE-grade automotive tape wrapping |
| Compatibility | Kylaq, Polo, Vento, Ameo, Rapid, Taigun, Virtus, Slavia, Kushaq, Kodiaq, Octavia (All VW and Skoda Cars) |
| Supported Horns | VW / Skoda OEM dual horns |
| Installation | Direct plug-in, no wire cutting/soldering |
| Relay Support | Works standalone or with aftermarket relay (Relay not needed) |
| Durability | Heat, moisture, and vibration resistant |
| Testing | Polarity and fit tested before dispatch |
Single to Dual Horn Harness for Volkswagen & Skoda – Plug and Play
Convert Your Single Horn Setup to Dual Horns — No Wire Cutting, No Modifications
Upgrade your Volkswagen or Skoda to a proper dual horn setup with this plug-and-play conversion harness. Designed specifically for VAG vehicles that come from the factory with a single horn wiring provision, this harness splits the original horn signal into two outputs — letting you install dual trumpet horns cleanly, safely, and in a way that looks factory-fitted.
No wire cutting. No soldering. No splicing. The original factory connector unplugs from the single horn, connects into the male end of this harness, and the two female ends plug directly into your dual horns. Installation takes under ten minutes and requires no special tools.
This harness uses the standard VAG horn connector — part numbers 4D0 971 992 (female) and 1J0 973 702 (male) — the same connectors used in OEM horn wiring across the Volkswagen and Skoda range. The fit is tight, factory-style, and does not rattle or pull loose under vibration.
What Makes This Harness Different from a Basic Y-Splitter
A generic Y-splitter uses thin wire and friction-fit terminals that can work loose over time, especially in the engine bay where heat and vibration are constant. This harness is built differently.
The wiring is 1.5 sq.mm thick copper core — the same cross-section used in OEM horn circuits — ensuring minimal resistance and full current delivery to both horns simultaneously. The connectors are injection-moulded to OEM dimensions, so they seat firmly with an audible click and stay locked in place. The entire harness is wrapped in automotive-grade insulation tape, the same type used on factory loom sections, protecting it against heat, moisture, and abrasion inside the engine compartment.
Every harness is polarity and fit-tested before dispatch.
Compatible Vehicles
This harness is compatible with all Volkswagen and Skoda models that use a single horn factory wiring provision, including:
Volkswagen: Polo, Vento, Ameo, Taigun, Virtus
Skoda: Kylaq, Kushaq, Slavia, Rapid, Fabia, Octavia
Also compatible with Audi and SEAT vehicles using the same VAG standard 4D0 971 992 connector.
If your car came with a single horn as standard and you want to upgrade to a dual horn setup — this harness is the correct solution regardless of model year.
What Is Included
One complete pre-assembled conversion harness consisting of one male VAG horn connector and two female VAG horn connectors, wired together with 1.5 sq.mm copper core wire at a total harness length suitable for direct installation. No additional wiring, crimping, or extensions are required for standard single-to-dual horn conversions on the above models.
Installation Overview
Dual horn installation using this harness is a straightforward process:
Locate the single horn behind the front bumper or in the engine bay. Unplug the factory connector from the original horn. Plug the factory connector into the male end of this harness. Connect the two female ends to your two horns. Secure the harness with a cable tie to keep it away from heat sources. Test both horns.
No relay is required for standard dual horn setups on VW and Skoda vehicles — the factory horn circuit is rated to handle dual horn load. If you are using high-current aftermarket horns, a relay is recommended and can be added independently.
Proven Fitment on Kylaq, Kushaq, Rapid, Polo & Octavia
TecUpdater specialises in plug-and-play automotive upgrades for Volkswagen and Skoda owners in India. Every product in the range is tested for fitment on actual vehicles before listing. This harness has been installed by TecUpdater on Kylaq, Kushaq, Rapid, Polo, and Octavia models, and is the same harness used by several authorised service centres for dual horn conversions.
Orders are shipped daily. For installation queries or to place an order, visit tecupdater.com or WhatsApp us at +91 96252-18968.
Single To Dual Horn Harness VW & Skoda — Overview
The single to dual horn harness VW & Skoda comes with OEM-style couplers and thick copper wiring, letting Polo, Vento, Rapid, and Octavia gain a proper high-low horn set without cutting or soldering. This single to dual horn harness VW & Skoda also works standalone or with a relay and stays heat, moisture, and vibration resistant once installed.
Frequently Asked Questions
No. For standard OEM-spec dual horns, the factory VW/Skoda horn circuit is rated to handle dual horn load, so the harness plugs straight in without a relay. If you fit high-current aftermarket horns, adding a relay is advisable to protect the factory switch and wiring, though a relay is not included with this harness.
It fits Volkswagen Polo, Vento, Ameo, Taigun, and Virtus, and Skoda Kylaq, Kushaq, Slavia, Rapid, Fabia, and Octavia, as well as Audi and SEAT vehicles built on the same VAG standard with the 4D0 971 992 connector. Any VW or Skoda that left the factory with a single horn and this standard VAG horn connector will accept the harness, regardless of model year.
Under ten minutes with no special tools. You unplug the factory connector from the single horn, plug it into the male end of this harness, connect the two female ends to your dual horns, and secure the harness with a cable tie.
It uses the VAG standard connector pair — a 4D0 971 992 female connector and a 1J0 973 702 male connector — the same connectors used in factory horn wiring across the Volkswagen and Skoda range.
Yes. Several VW and Skoda models, including the Kylaq, base-spec Kushaq, Rapid, and Polo, come from the factory with only a single horn even though the body has two mounting positions. This harness gives you the second output needed to wire in the second horn without cutting into the factory loom.
It works with any horn using the standard VAG 2-pin connector format compatible with 4D0 971 992. If your aftermarket horns use a different connector, you would need a separate adapter terminal.
No, this listing is for the harness only. The dual horns are sold separately — TecUpdater stocks OEM-compatible dual-tone trumpet horns, or you can confirm the right set for your car over WhatsApp.
No. Installation is entirely plug-and-play — the original factory connector unplugs from the single horn and connects directly into this harness, so nothing in the factory wiring is cut, spliced, or altered.
This harness is covered by TecUpdater’s 1 year warranty against manufacturing defects.
It is sold as one complete, pre-assembled harness. The horn-side connector and the two car-side connectors are already wired together on the harness, so nothing needs to be joined or bought separately.
Not sure which one fits your car? See the full Horn Wire Harness Guide for the complete lineup by brand.
Want the background? Read more about vehicle horns.

























Narendra Kumar –
My name is Narendra. Installed this in my Kylaq. Original product. Service center suprised.
Dinesh –
Installed in my Polo as it came with single horn. It is exactly as I required.
Ritesh –
I likes the support for clarification and delivery. Product is Good
Bhavesh –
Easy installation. It is of Good quality and reliable cable.
Imran Khan –
I was able to do this myself and installed Skoda dual tone horns in my Volkswagen Taigun using this connector Cable as it is cheaper in Skoda Service center than Volkswagen. Works well.
Abhinav Kumar –
Worth 5 star. Timely delivery and the quality is as strong as OEM.
Faheem –
The cable’s quality is surprisingly good as I have seen its link on TeamBHP as well. very easy in installation. Very good way to install dual horns in Kylaq
Amaira Katiar –
5 sarts for quakity support, guidance and quality of product.