1. Steering Wheels & Horn Buttons On Sale
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  3. UNITED AUTOMOTIVE 64239QSTH

UNITED AUTOMOTIVE 64239QSTH Horn Relay Connector

fits model: Bronco. make: Ford. year: 1986–1990.

64239qsth United Automotive For 1986-1990 Ford Bronco Ii Horn Relay Connector

( Brand: United Automotive ), ( Manufacturer Part Number: 64239QSTH ), ( Part Type: Horn ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Horn Relay Connector ), ( Years: 1988 1986 1987 1989 1990 ), ( Application: Ford Bronco Ii Horn Relay Connector ), ( Cs-sku: 400 )

Review UNITED AUTOMOTIVE Ford Horn Relay Connector fits BRONCO 1986–1990

The **United 64239QSTH** is a meticulously engineered, high-quality replacement horn relay connector designed specifically for **1986 through 1990 Ford Bronco** vehicles, ensuring seamless integration with the original equipment manufacturer (OEM) wiring harness. This precision-crafted component is crafted from durable, corrosion-resistant materials, including robust metal contacts and a robust plastic housing, which guarantees long-lasting performance even in demanding automotive environments. The connector features a **polarized design**, ensuring correct alignment during installation, while its **crimp-style terminals** provide a secure, vibration-resistant connection that prevents loose or intermittent electrical contacts a common issue in older vehicles. Ideal for both professional mechanics and DIY enthusiasts, this relay connector is a direct drop-in replacement for the factory unit, maintaining the same pin configuration and mounting orientation to avoid compatibility issues. Whether addressing a faulty horn relay, repairing a damaged connector, or upgrading an existing system, the **United 64239QSTH** delivers reliability, ease of installation, and compatibility with the Bronco s electrical architecture, helping restore optimal functionality to the vehicle s horn system without compromising on quality.

Buying a replacement **Ford Bronco horn relay connector (part number 64239QSTH for 1986 1990 models)** can be a practical solution if your original component is faulty or damaged. Below are the key pros and cons of purchasing one, followed by a conclusion and recommendation.

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### **Pros of Buying a Replacement Horn Relay Connector**

1. **Reliability and Functionality** A new or high-quality used relay ensures consistent electrical contact, preventing intermittent horn failure or complete inoperability. The original relay may have corroded contacts, loose wiring, or internal wear, which a replacement fixes.

2. **Cost-Effective Fix** Replacing the relay is significantly cheaper than overhauling the horn wiring harness or replacing the entire horn assembly. A new relay typically costs between $10 and $30, depending on sourcing.

3. **Easy Installation** The relay is a simple plug-and-play component. No soldering or complex wiring is required; it snaps into place, making it a straightforward DIY repair for most mechanics or enthusiasts.

4. **Prevents Secondary Damage** A faulty relay can cause intermittent electrical issues, potentially damaging other components (e.g., fuses, wiring, or the horn itself) over time. Replacing it early avoids more extensive repairs.

5. **Availability of Genuine and Aftermarket Options** Ford and reputable aftermarket brands (e.g., ACDelco, Motorcraft, or local auto parts stores) offer compatible relays. Genuine parts ensure exact fitment, while aftermarket options may provide better durability or cost savings.

6. **Warranty Coverage** Purchasing from a reputable dealer or online retailer (e.g., RockAuto, eBay, or local auto parts stores) often includes a warranty, providing peace of mind if the relay fails prematurely.

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### **Cons of Buying a Replacement Horn Relay Connector**

1. **Potential Counterfeit or Low-Quality Parts** Buying from untrusted sellers (e.g., unknown eBay vendors or unlicensed online marketplaces) risks receiving counterfeit or substandard parts. These may fail quickly or not fit properly, leading to repeated replacements.

2. **Misdiagnosis of the Issue** If the horn problem stems from something other than the relay (e.g., blown fuse, corroded wiring, or a faulty horn motor), replacing the relay alone won t solve the problem. Thorough troubleshooting is essential before purchasing.

3. **Compatibility Concerns** While the part number (64239QSTH) is specific to your Bronco, slight variations in wiring or connector pinout may exist between years or trims. Double-checking the relay s pin configuration against your vehicle s wiring diagram is critical.

4. **Labor Time for DIYers** While simple, removing the relay may require disassembling parts of the dashboard or steering column, especially in older Broncos. Those uncomfortable with electrical work or limited space may find it challenging.

5. **Used Parts Risks** Buying a used relay from a salvage yard or private seller could introduce hidden issues (e.g., internal corrosion, bent pins, or prior damage). Unless thoroughly inspected, used parts may not last as long as new ones.

6. **Limited Lifespan** Relays, like all electrical components, have a finite lifespan. While a new relay should last the life of the vehicle, environmental factors (e.g., moisture, vibration, or electrical surges) can degrade it over time.

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### **Conclusion**

Replacing the horn relay connector on a 1986 1990 Ford Bronco is a **practical and cost-effective solution** for most horn-related issues, provided the problem is accurately diagnosed. The benefits reliability, ease of installation, and affordability outweigh the risks for those purchasing from trusted sources. However, the cons highlight the importance of **sourcing parts carefully**, **verifying the root cause**, and **ensuring compatibility** before installation.

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### **Recommendation**

1. **Verify the Problem** Before buying, confirm the relay is faulty by testing it with a multimeter (check for continuity in the "normally open" position when activated) or by swapping it with a known-good relay from another system (e.g., a horn relay from a working vehicle).

2. **Purchase from Reputable Sources** Buy the relay from:

- **Ford Dealership or Motorcraft** (for genuine OEM parts).

- **Specialty Auto Parts Retailers** (e.g., RockAuto, Amazon, or local stores like AutoZone or NAPA).

- **Trusted Online Marketplaces** (eBay with seller ratings, eBay Motors, or dedicated Bronco forums).

Avoid unknown sellers or salvage yards unless the relay is inspected first.

3. **Check for Aftermarket Alternatives** Brands like **ACDelco, Dorman, or local Bronco specialty suppliers** often offer high-quality, budget-friendly relays with good reviews.

4. **Follow Installation Steps Carefully** Refer to a **Ford Bronco wiring diagram** (available on Haynes manuals or online resources like Chilton) to ensure proper connector alignment and wiring. Pay attention to ground connections and fuse status.

5. **Consider a Horn Test First** If the horn works intermittently, test the horn motor itself by bypassing the relay (e.g., jumper-wiring the horn directly to a power source). If it still fails, the issue may lie elsewhere (e.g., horn switch, wiring, or ground).

**Final Verdict**: If the relay is confirmed faulty and sourced responsibly, replacing it is a **smart, low-risk repair** that restores horn functionality reliably. For those uncomfortable with electrical work, consulting a mechanic for installation is advisable.

Details:

Notes: Horn Relay Connector. 12 Month Warranty Fitment Notes: Vehicle: 1986 - 1990 Ford Bronco II.

part #: 64239qsth price

  • $20.67

specifications steeringwheelsiiz:

  • for models: Bronco
  • for makes: Ford
  • for years: 1986-1990
  • brand: United Automotive
  • mpn: 64239qsth
  • part type: Horn
  • manufacturer warranty: 12 Month Warranty
  • notes: Horn Relay Connector
  • years: 1988 1986 1987 1989 1990
  • application: Ford Bronco Ii Horn Relay Connector
  • cs-sku: 400

returns steeringwheelsiiz:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

seller steeringwheelsiiz:

  • city: Carlisle, Pennsylvania
  • rating: 98.8%
  • # reviews: 328352

general steeringwheelsiiz:

  • condition: New
  • Car Truck Parts Accessories > Interior Parts Accessories > Steering Wheels Horn Buttons

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  • sold: 0
  • started: April 15, 2026
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  • quantity: 1
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  • transit: 2-6 Days
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for models: bronco, for makes: ford, for years: 1986-1990, part type: horn, manufacturer warranty: 12 month warranty, notes: horn relay connector, years: 1988 1986 1987 1989 1990, application: ford bronco ii horn relay connector, cs-sku: 400,
category: auto parts > car truck parts accessories > interior parts accessories > steering wheels horn buttons, sku: 30013252407858604,
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  • New. Offer #1 priced at $20.67 + $0.00 shipping estimate = $20.67* total. Notes: Horn Relay Connector 1986-1990 Ford Bronco II.FREE SHIPPING

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