FOUR SEASONS 85HFXRB33 Control Relay A/c

( Brand: Four Seasons ), ( Manufacturer Part Number: 85HFXRB33 ), ( Type: A/c Control Relay ), ( Fits 1: 1988 Chevrolet Sprint ), ( Fit Note: A/c Compressor Control Relay ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review FOUR SEASONS A/c Control Relay Chevy fits SPRINT 1988

The **Seasons 85HFXRB33 A/C Control Relay** is a precision-engineered electrical component designed specifically for the **1988 Chevrolet Sprint**, ensuring seamless operation of the vehicle s air conditioning system. This high-quality relay is built to replace the factory-fitted A/C control relay, which may fail over time due to electrical wear, corrosion, or mechanical stress, leading to intermittent cooling performance, complete A/C shutdowns, or even dashboard warning lights. Crafted with durable materials, the **85HFXRB33** features a robust spring-loaded mechanism and gold-plated contacts that minimize resistance and prevent oxidation, guaranteeing reliable signal transmission between the vehicle s A/C compressor clutch and the control module. Its compact yet sturdy design fits perfectly into the Sprint s under-dash relay bay, maintaining proper alignment with the wiring harness and ensuring a secure, vibration-resistant connection. Whether addressing persistent A/C cycling issues, a non-responsive compressor clutch, or a blown relay symptom, this relay provides a direct, plug-and-play solution that restores the air conditioning system to full functionality. Ideal for both professional mechanics and DIY enthusiasts, the **Seasons 85HFXRB33** is a direct-fit replacement that adheres to OEM specifications, delivering consistent performance and longevity while maintaining compatibility with the Sprint s electrical architecture.

The **Chevy Sprint (1988) A/C Control Relay (part number 85HFXRB33)** is a critical component for operating the air conditioning system. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

### **Pros of buying a 85HFXRB33 Relay**

1. **Direct Fitment** The relay is specifically designed for the 1988 Chevy Sprint, ensuring compatibility without modifications. This reduces the risk of installation errors.

2. **Reliability** As an OEM or high-quality aftermarket part, it should function reliably if the issue is solely the relay failing. Many relays in older vehicles wear out over time due to electrical arcing or corrosion.

3. **Cost-Effective Fix** Replacing a faulty relay is significantly cheaper than diagnosing other potential causes (e.g., faulty compressor clutch, wiring issues, or a bad A/C control module).

4. **Easy Replacement** Relays are typically located in the fuse/relay box under the dashboard or in the engine bay, making them straightforward to replace with basic tools.

5. **Prevents Further Damage** A failing relay can cause intermittent A/C operation, which may lead to compressor clutch burnout if left unaddressed. Replacing it early can save money on more extensive repairs.

6. **Widely Available** Since this is a common part for older GM vehicles, it can be found at auto parts stores (O Reilly, AutoZone, NAPA), online marketplaces (Amazon, eBay, RockAuto), or directly from manufacturers like **Delco Electronics** or **Motorcraft**.

### **Cons of buying a 85HFXRB33 Relay**

1. **Potential Counterfeit Parts** Some online sellers may offer cheap, low-quality replicas that fail prematurely. Buying from reputable sources (e.g., RockAuto, local auto parts stores) reduces this risk.

2. **Underlying Electrical Issues** If the relay is replaced but the A/C still doesn t work, the problem may lie elsewhere (e.g., corroded wiring, a bad A/C control module, or a faulty compressor clutch). This requires further diagnosis.

3. **Age of the Vehicle** The 1988 Chevy Sprint is over 30 years old, meaning wiring harnesses, connectors, and ground points may be degraded. A new relay won t fix these issues.

4. **Skill Level Required** While simple, relay replacement still requires basic electrical knowledge. Miswiring or forcing a relay into place could damage the system.

5. **Limited Lifespan of Other Components** If the relay is part of a larger failing system (e.g., the A/C compressor clutch or pressure switch), replacing just the relay may provide temporary relief but not a permanent solution.

6. **Possible Misdiagnosis** If the A/C compressor doesn t engage at all, the issue might not be the relay but rather a blown fuse, a bad ground, or a faulty clutch coil. Testing these first could save time and money.

### **Conclusion**

The **85HFXRB33 A/C control relay** is a reasonable and cost-effective first step if you suspect the relay is the cause of your Chevy Sprint s A/C issues. It is a simple, direct-fit part that can restore functionality if the problem is isolated to the relay. However, if the A/C still doesn t work after replacement, further diagnostics are necessary to identify the root cause.

### **Recommendation**

- A blown fuse in the A/C circuit.

- Proper voltage at the relay terminals when the A/C is turned on (use a multimeter).

- A working ground connection for the relay.

2. **Buy from a Trusted Source** Purchase the relay from a reputable seller (e.g., RockAuto, local auto parts store, or a verified eBay/Amazon vendor) to avoid counterfeit parts.

3. **Test Before Finalizing** If possible, borrow a known-good relay from a similar vehicle to test if the issue persists.

- The **A/C compressor clutch** (could be stuck or burned out).

- The **A/C control module** (may need replacement if faulty).

- **Wiring and connectors** (corrosion or damage can prevent proper operation).

5. **Consider Professional Help** If you re unsure about diagnosing or replacing the relay, a mechanic familiar with older GM vehicles can provide a more thorough inspection.

**Final Verdict:** If you re confident the relay is the problem and the vehicle s electrical system is otherwise sound, replacing it is a worthwhile and low-risk fix. However, be prepared for additional troubleshooting if the issue persists.

Details:

A/C Control Relay 85HFXRB33 for Chevy Sprint 1988: Brand: Four Seasons condition: New, Notes Compressor Features: Vehicle specific applications. Precision engineered. Detailed Applications Vehicle, 1988 Chevrolet Sprint. Product Specifications Amperage Rating:22.

Quality contacts ensure proper conductivity. 12 Month Warranty. OE molded connectors.

part #: 85hfxrb33 price

• $30.16

specifications chvyacheatercontrols:

• for models: Sprint
• for makes: Chevy
• brand: Four Seasons
• mpn: 85hfxrb33
• type: A/c Control Relay
• fits 1: 1988 Chevrolet Sprint
• fit note: A/c Compressor Control Relay
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

seller chvyacheatercontrols:

• # reviews: 57841
• city: Norton, Massachusetts
• rating: 97.1%

offer chvyacheatercontrols:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0
• started: May 8, 2026

payments chvyacheatercontrols:

• other
• credit card: Discover
• wallet: Paypal

returns chvyacheatercontrols:

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

shipping chvyacheatercontrols:

• transit: 4-7 Days
• cost: $0.00
• type: Fixed
• class: Standard
• service: Standard

general chvyacheatercontrols:

• Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units
• condition: New

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