HomeHVAC > RelaysFour Seasons 35768 A/C Compressor Control Relay
Part #: H11NGPB1

Four Seasons 35768 A/C Compressor Control Relay

Relay
⚙️ 111 vehicles fit this part
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Reliable A/C Compressor Control Relay for Cadillac Vehicles

The Four Seasons Relay 35768 is a 12-volt A/C compressor control relay designed specifically for select Cadillac models. Engineered to meet or exceed OEM standards, this relay ensures consistent performance and durability in your vehicle's HVAC system.

  • 12-volt standard relay with 20-amp amperage rating
  • Four blade-type male terminals for secure electrical connections
  • Silver color with a unique connector shape for precise fitment
  • Compatible with Cadillac Cimarron, Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville models
  • Meets or exceeds original equipment manufacturer specifications

About the Four Seasons Relay Product Line

The Relay product line from Four Seasons focuses on providing reliable HVAC relays that maintain proper electrical control for automotive air conditioning systems. The Relay 35768 is part of this line, offering a standard relay style that integrates seamlessly with your vehicle’s existing wiring harness and electrical system, ensuring stable operation of the A/C compressor.

Product Details and Specifications

This A/C compressor control relay operates at 12 volts and features four blade-type terminals, all male, designed for straightforward installation and secure connectivity. The relay carries a 20-amp amperage rating suitable for controlling the compressor clutch in the HVAC system. Its silver finish and unique connector shape help ensure compatibility with the specified Cadillac models. The relay does not include a mounting bracket or skirt, reflecting its standard relay design.

Common Applications and Problem Resolution

  • Restores proper A/C compressor engagement in Cadillac Cimarron and DeVille models
  • Resolves intermittent or no cooling issues caused by faulty compressor relays
  • Eliminates electrical connection problems due to worn or damaged relay terminals
  • Prevents HVAC system failures related to relay malfunction in Eldorado and Fleetwood vehicles
  • Supports reliable compressor control in Seville and Commercial Chassis models

Installation Notes and Tips

When installing the Four Seasons Relay 35768, ensure the vehicle’s ignition is off and the battery is disconnected to avoid electrical shorts. Verify the relay terminals match the vehicle’s connector type and orientation before securing. Since this relay does not include a mounting bracket, use the existing relay socket or mounting point in the vehicle. Confirm proper seating of the relay to maintain stable electrical contact.

Quality Assurance and Warranty

The Four Seasons Relay 35768 is manufactured to meet or exceed OEM specifications, providing dependable performance for your Cadillac’s HVAC system. This part undergoes rigorous quality control to ensure durability and consistent operation. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandPhillips
Part NumberH11NGPB1
PositionRelay
Amperage Rating4.58333333333333
Bulb Base TypePGJ19-2
Bulb ColorClear
Bulb FinishClear
Bulb MaterialGlass
Bulb TechnologyHalogen
Bulb TypeStandard Capsule
DOT ApprovedYes
Diameter0.46
Filament Quantity1
Filament TypeC-8
Length3.07
Voltage12
Wattage55

This part fits 111 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1985CadillacCimarronN/ARelay
1984CadillacCimarronN/ARelay
1984CadillacCommercial ChassisN/AOriginal GM
1984CadillacDeVille4.1LV8N/AOriginal GM; Relay
1984CadillacEldorado4.1LV8N/ARelay
1984CadillacFleetwoodBase6.0LV8N/AOriginal GM; Relay
1984CadillacFleetwoodBrougham4.1LV8N/AOriginal GM; Relay
1984CadillacFleetwoodBrougham d'Elegance4.1LV8N/AOriginal GM; Relay
1984CadillacFleetwoodFormal6.0LV8N/AOriginal GM; Relay
1984CadillacSeville4.1LV8N/ARelay
1983CadillacCimarronN/ARelay
1983CadillacCommercial ChassisN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Relay
1983CadillacDeVille4.1LV8N/AA.T.C. Blower Relay; Relay
1983CadillacDeVille4.1LV8N/AOriginal GM; Relay
1983CadillacEldorado4.1LV8N/ARelay
1983CadillacFleetwood4.1LV8N/AA.T.C. Blower Relay; Relay
1983CadillacFleetwood6.0LV8N/AA.T.C. Blower Relay; Relay
1983CadillacFleetwoodBase6.0LV8N/AOriginal GM; Relay
1983CadillacFleetwoodBrougham4.1LV8N/AOriginal GM; Relay
1983CadillacFleetwoodBrougham d'Elegance4.1LV8N/AOriginal GM; Relay
1983CadillacFleetwoodFormal6.0LV8N/AOriginal GM; Relay
1983CadillacSeville4.1LV8N/ARelay
1982CadillacCimarronN/ARelay
1982CadillacCommercial ChassisN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Relay
1982CadillacDeVille4.1LV6N/AA.T.C. Blower Relay; Relay
1982CadillacDeVille4.1LV6N/AOriginal GM; Relay
1982CadillacDeVille4.1LV8N/AA.T.C. Blower Relay; Relay
1982CadillacEldorado4.1LV6N/ARelay
1982CadillacEldorado4.1LV8N/ARelay
1982CadillacFleetwood4.1LV6N/AA.T.C. Blower Relay; Relay
1982CadillacFleetwood4.1LV8N/AA.T.C. Blower Relay; Relay
1982CadillacFleetwood6.0LV8N/AA.T.C. Blower Relay; Relay
1982CadillacFleetwoodBase6.0LV8N/AOriginal GM; Relay
1982CadillacFleetwoodBrougham4.1LV6N/AOriginal GM; Relay
1982CadillacFleetwoodBrougham4.1LV8N/AOriginal GM; Relay
1982CadillacFleetwoodBrougham d'Elegance4.1LV6N/AOriginal GM; Relay
1982CadillacFleetwoodBrougham d'Elegance4.1LV8N/AOriginal GM; Relay
1982CadillacFleetwoodFormal6.0LV8N/AOriginal GM; Relay
1982CadillacSeville4.1LV6N/ARelay
1982CadillacSeville4.1LV8N/ARelay
1981CadillacCommercial ChassisN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Relay
1981CadillacDeVille4.1LV6N/AA.T.C. Blower Relay; Relay
1981CadillacDeVille4.1LV6N/AOriginal GM; Relay
1981CadillacDeVille6.0LV8N/AA.T.C. Blower Relay; Relay
1981CadillacDeVille6.0LV8N/AOriginal GM; Relay
1981CadillacEldorado4.1LV6N/ARelay
1981CadillacEldorado6.0LV8N/ARelay
1981CadillacFleetwoodBase6.0LV8N/AA.T.C. Blower Relay; Relay
1981CadillacFleetwoodBase6.0LV8N/AOriginal GM; Relay
1981CadillacFleetwoodBrougham4.1LV6N/AA.T.C. Blower Relay; Relay
1981CadillacFleetwoodBrougham4.1LV6N/AOriginal GM; Relay
1981CadillacFleetwoodBrougham d'Elegance4.1LV6N/AA.T.C. Blower Relay; Relay
1981CadillacFleetwoodBrougham d'Elegance4.1LV6N/AOriginal GM; Relay
1981CadillacFleetwoodFormal6.0LV8N/AA.T.C. Blower Relay; Relay
1981CadillacFleetwoodFormal6.0LV8N/AOriginal GM; Relay
1981CadillacSeville4.1LV6N/ARelay
1981CadillacSeville6.0LV8N/ARelay
1980CadillacCommercial ChassisN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Relay
1980CadillacDeVilleN/ARelay
1980CadillacDeVille4.1LV6N/AOriginal GM; Relay
1980CadillacDeVille6.0LV8N/AOriginal GM; Relay
1980CadillacEldoradoN/ARelay
1980CadillacFleetwoodBaseN/ARelay
1980CadillacFleetwoodBase6.0LV8N/AOriginal GM; Relay
1980CadillacFleetwoodBrougham4.1LV6N/AOriginal GM; Relay
1980CadillacFleetwoodBrougham d'Elegance4.1LV6N/AOriginal GM; Relay
1980CadillacFleetwoodFormalN/ARelay
1980CadillacFleetwoodFormal6.0LV8N/AOriginal GM; Relay
1980CadillacSevilleN/ARelay
1979CadillacCommercial ChassisN/ARelay
1979CadillacDeVilleN/ARelay
1979CadillacDeVille7.0LV8N/AOriginal GM; Relay
1979CadillacEldoradoN/ARelay
1979CadillacEldoradoN/AATC relay connector incompatible with HVAC blower motor resistor harness.; Relay
1979CadillacFleetwoodBaseN/ARelay
1979CadillacFleetwoodBaseN/AOriginal GM; Relay
1979CadillacFleetwoodFormalN/ARelay
1979CadillacFleetwoodFormalN/AOriginal GM; Relay
1979CadillacSevilleN/AATC relay connector incompatible with HVAC blower motor resistor harness.; Relay
1978CadillacCommercial ChassisN/ARelay
1978CadillacDeVilleN/ARelay
1978CadillacDeVilleN/AOriginal GM; Relay
1978CadillacEldoradoN/ABracket not included; Relay
1978CadillacEldoradoN/AATC relay connector incompatible with HVAC blower motor resistor harness.; Relay
1978CadillacFleetwoodBaseN/ARelay
1978CadillacFleetwoodBaseN/AOriginal GM; Relay
1978CadillacFleetwoodFormalN/ARelay
1978CadillacFleetwoodFormalN/AOriginal GM; Relay
1978CadillacSevilleN/ABracket not included; Relay
1978CadillacSevilleN/AATC relay connector incompatible with HVAC blower motor resistor harness.; Relay
1977CadillacCommercial ChassisN/ARelay
1977CadillacDeVilleN/ARelay
1977CadillacDeVilleN/AOriginal GM; Relay
1977CadillacEldoradoN/ABracket not included; Relay
1977CadillacEldoradoN/AATC relay connector incompatible with HVAC blower motor resistor harness.; Relay
1977CadillacFleetwood75N/ARelay
1977CadillacFleetwood75N/AOriginal GM; Relay
1977CadillacFleetwood75 FormalN/ARelay
1977CadillacFleetwood75 FormalN/AOriginal GM; Relay
1977CadillacFleetwoodFormalN/ARelay
1977CadillacFleetwoodFormalN/AOriginal GM; Relay
1977CadillacSevilleN/ABracket not included; Relay
1977CadillacSevilleN/AATC relay connector incompatible with HVAC blower motor resistor harness.; Relay
1976CadillacCommercial ChassisN/ABracket not included; Relay
1976CadillacDeVilleN/ABracket not included; Relay
1976CadillacEldoradoN/ABracket not included; Relay
1976CadillacEldoradoN/AATC relay connector incompatible with HVAC blower motor resistor harness.; Relay
1976CadillacFleetwood75N/ABracket not included; Relay
1976CadillacFleetwood60 Special BroughamN/ABracket not included; Relay
1976CadillacSevilleN/ABracket not included; Relay
1976CadillacSevilleN/AATC relay connector incompatible with HVAC blower motor resistor harness.; Relay

* 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:

H11SZ

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