The right heater blower relay can improve performance, protect sensitive components, and extend the life of your heating and cooling system. This guide highlights five reliable options that cover common GMC, Dodge, Jeep, Toyota and other HVAC and automotive blower needs. Each entry includes key features to help you compare compatibility, durability, and installation ease.
| Product | Brand | Highlights |
|---|---|---|
| Dreyoo 1 Pack 24V Fan Relay, 90-980 | Dreyoo | 24VAC, UL certified, 1-pole; compatible with Goodman systems |
| ACDelco Gold 15-50961 Auxiliary Blower Relay | ACDelco | Premium aftermarket, dependable replacement for HVAC blower circuits |
| FTHSO Multi-Purpose Relay 90987-T4002 / TD156700-3340 | FTHSO | 5-pin, 12V 80A, versatile for A/C, heater, HVAC and more |
| Dreyoo 2 Pack 24V Fan Relay, 90-980 | Dreyoo | Two-pack, 24VAC, robust and waterproof; suitable for multiple circuits |
| LCWRGS HVAC Fan Blower Motor Resistor | LCWRGS | Manual AC control compatibility; replaces multiple OE part numbers |
Summary notes: The selections focus on 24V relays and widely compatible modules that fit common HVAC blower needs, including Goodman, Dodge, Chrysler, Jeep and Toyota applications. Durability, UL certification, and ease of replacement are emphasized to suit both DIY enthusiasts and professional installers.
Dreyoo 1 Pack 24V Fan Relay, 90-980
This 24V relay operates in a 90-980 profile and uses a single-pole SPST design. It supports 12FLA and is UL certified, providing circuit protection for HVAC blower applications, humidifiers, heat sequencers, and other related components. Its wide compatibility makes it a practical choice for Goodman systems and similar equipment, offering heavy-duty construction with waterproof performance for challenging environments.
ACDelco Gold 15-50961 Auxiliary Blower Relay
ACDelco’s Gold series relay is a premium aftermarket option designed to meet or exceed original equipment performance. It delivers dependable operation for blower motor circuits within heating and air conditioning systems, aligning with OEM specifications for fit, form, and function. This relay is a solid choice for restoring reliable blower performance in a wide range of vehicles and home HVAC units alike.
FTHSO Multi-Purpose Relay 90987-T4002 / TD156700-3340
Designed as a versatile plug-in relay, it covers multiple OE references including 90987-T4002 and TD156700-3340. It’s suitable for A/C heater applications, HVAC blower motor relays, and other automotive circuits. The 5-pin, 12VDC configuration supports a wide range of installations, including Toyota and related models, making it a flexible replacement option for technicians.
Dreyoo 2 Pack 24V Fan Relay, 90-980
This two-pack version provides added value for multiple relay replacements or for configuring separate circuits within the same system. Like the single-pack version, it uses a 90-980 type, 24VAC operation with 12FLA, and holds UL certification. Its robust construction supports reliable switching for Goodman blower and similar HVAC installations, with waterproof performance for durability in varying conditions.
LCWRGS HVAC Fan Blower Motor Resistor
This blower motor resistor is intended for manual AC controls and helps regulate blower speeds to optimize temperature and airflow. It’s compatible with multiple Dodge Ram and Jeep Grand Cherokee models from the 1990s and 2000s and replaces several OE numbers, including 973-020 and 68004241AA. Proper replacement requires matching the exact resistor variant to your vehicle’s manual climate control system.
Buying Guide: Key Purchase Considerations
- Application compatibility: Verify that the relay or resistor matches your HVAC or vehicle model, including voltage (12V vs 24V) and circuit type (SPST, 5-pin, etc.).
- Certification and durability: UL certification or equivalent, plus waterproof or heavy-duty construction, helps ensure long-term reliability in harsh environments.
- Installation context: Consider whether you need a single-pack or multi-pack solution for multiple circuits, and whether a resistor or a relay better suits your blower speed control or circuit protection needs.
- OEM replacement alignment: When choosing brands like ACDelco or OE-replacement relays, ensure fit, form, and function match the original components to preserve system performance.
- Cross-model compatibility: Some relays cover a broad range of vehicles and HVAC brands. Check the listed compatible models (e.g., Goodman, Chrysler, Jeep, Dodge, Toyota) to avoid mismatches.
- Ease of replacement: Look for clearly labeled pins, plug-and-play designs, and accessible mounting points to minimize installation time and errors.
- Price vs. value: While premium relays may cost more upfront, their durability and reliability can reduce maintenance downtime and provide longer service life.
- Safety considerations: Ensure power is disconnected during replacement, and follow the manufacturer’s electrical guidelines to prevent shorts or damage.
In summary, these five options provide a spectrum of reliability, compatibility, and installation simplicity for heater blower relay needs. Whether you’re restoring an older Dodge or updating a Goodman HVAC blower circuit, the right relay or resistor ensures stable blower performance and protects critical components.