HomeHVAC > RelaysFour Seasons 35770 HVAC Blower Motor Relay
Part #: 35770

Four Seasons 35770 HVAC Blower Motor Relay

Relay
⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Relay
🚗Fitment: Cadillac, Eldorado, Calais, Commercial Chassis, DeVille, and Fleetwood
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Reliable HVAC Blower Motor Relay for Cadillac Vehicles

The Four Seasons Relay 35770 is a 12-volt HVAC blower motor relay designed specifically for select Cadillac models. Engineered to meet or exceed OEM standards, this relay ensures consistent performance in your vehicle's heating and cooling system.

  • 12-volt standard relay with 25-amp amperage rating
  • Equipped with 3 male blade terminals for secure connections
  • Includes a mounting bracket for easy installation
  • Silver color with a unique connector shape for precise fit
  • Compatible with Cadillac Commercial Chassis, DeVille, Eldorado, and Fleetwood models

About the Four Seasons Relay Product Line

The Relay product line from Four Seasons focuses on delivering dependable HVAC relays that maintain proper electrical control within vehicle climate systems. The Relay 35770 is part of this line, offering a standard relay style that integrates seamlessly with factory wiring harnesses, ensuring reliable blower motor operation in Cadillac vehicles.

Product Details and Specifications

This HVAC blower motor relay operates at 12 volts and supports a 25-amp load, suitable for managing blower motor circuits in Cadillac Commercial Chassis, DeVille, Eldorado, and Fleetwood models. Featuring three male blade terminals and a single male connector with a distinct design, it provides secure and accurate electrical connections. The included bracket facilitates stable mounting within the HVAC system, while the silver finish helps resist corrosion.

Common Applications and Problem Resolution

  • Restores blower motor function when the relay fails
  • Eliminates intermittent HVAC blower operation
  • Prevents overheating issues related to faulty relays
  • Resolves blower motor relay electrical connection problems
  • Ensures consistent climate control performance in Cadillac vehicles

Installation Notes and Tips

When installing the Four Seasons Relay 35770, ensure the vehicle's ignition is off and the battery is disconnected to avoid electrical hazards. The included bracket allows for straightforward mounting in the original relay location. Verify that the three male blade terminals and the male connector align correctly with the vehicle's wiring harness. Proper terminal engagement is critical for reliable operation.

Quality Assurance and Warranty

This HVAC blower motor relay meets or exceeds OEM specifications for fit, form, and function. Four Seasons provides quality assurance backed by industry standards, ensuring durability and performance. Please refer to Four Seasons' warranty policy for specific coverage details related to the Relay 35770.

BrandFour Seasons
Part Number35770
PositionRelay
Amperage Rating25
Bracket?w/ Bracket
Colorsilver
Connector GenderMale
Connector Qty1
Connector ShapeOther design
DescriptionRelays
Meets / Exceeds OEM?Yes
Skirt?No
StyleStandard Relay
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade
TypeStandard
Voltage12

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
1970CadillacEldoradoN/ARelay
1969CadillacEldoradoN/ARelay
1968CadillacCommercial ChassisN/ARelay
1968CadillacDeVilleN/ARelay
1968CadillacEldoradoN/ARelay
1968CadillacFleetwoodBaseN/ARelay
1968CadillacFleetwood75N/ARelay
1968CadillacFleetwood60 SpecialN/ARelay

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

03130131113577011158701116959113008125714210149672115509501711260176251191893342015001206472088242201752207152414244123244151275240C912790HV32156301340335770474453087701722701725713000841239775028AC8360AC8506AM80824AM80826E807519E807528HS123HS151HV32156KB220715MT0517

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.