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Four Seasons 35988 A/C Compressor Cut-Out Relay
Reliable Radiator Fan Controller for Ford and Jeep Vehicles
The Four Seasons Rad Fan Controller 35988 is designed to regulate the radiator fan operation in select Ford, Jeep, Lincoln, and Mercury models. This A/C compressor cut-off relay ensures proper cooling system performance and helps maintain optimal engine temperature.
- Blade terminal type with 5 male terminals for secure electrical connections
- 30-amp amperage rating suitable for radiator fan control circuits
- Operates on 12-volt electrical systems common in automotive applications
- Includes a protective skirt and is designed without a mounting bracket
- Meets or exceeds OEM specifications for reliable fit and function
About the Four Seasons Rad Fan Controller Product Line
The Rad Fan Controller line by Four Seasons focuses on radiator fan control relays that manage fan operation to optimize engine cooling and A/C compressor function. Part number 35988 is part of this line, engineered to provide consistent performance and durability in demanding automotive environments.
Product Details and Specifications
This radiator fan controller relay features a blade terminal type with five male terminals, ensuring a secure and stable electrical connection. Rated for 30 amps, it is designed to handle the electrical load of radiator fan circuits in 12-volt systems. The relay includes a protective skirt to shield internal components but does not come with a mounting bracket, allowing for flexible installation options. It is compatible with various Ford, Jeep, Lincoln, and Mercury vehicles, including models such as the Ford Explorer, Mustang, Ranger, and the Jeep Comanche.
Compatible Vehicles and Common Applications
- Ford Explorer, Mustang, Ranger, Bronco II, Escort, Thunderbird
- Jeep Comanche and other select Jeep models
- Lincoln Mark VII, Mark VIII, and Grand Marquis
- Mercury Cougar, Colony Park, Lynx, and Topaz
- Other Ford and Mercury models like Aerostar, Tempo, LTD Crown Victoria, and Tracer
Issues Addressed by the Four Seasons 35988 Relay
- Intermittent or non-functioning radiator fan operation
- Overheating due to fan not engaging at proper temperatures
- Faulty A/C compressor cut-off causing compressor or fan issues
- Electrical connection failures from worn or damaged relay terminals
- Inconsistent cooling system performance affecting engine efficiency
Installation Notes and Tips
When installing the Four Seasons Rad Fan Controller 35988, ensure the vehicle’s electrical system is off to prevent shorts. Verify the relay terminals match the vehicle’s wiring harness connectors, noting the blade terminal type and male terminal gender. Since this relay does not include a mounting bracket, secure it properly in the relay housing or bracket area to avoid vibration damage. Confirm compatibility with your specific Ford, Jeep, Lincoln, or Mercury model before installation.
Quality Assurance and Warranty
The Four Seasons Rad Fan Controller 35988 meets or exceeds OEM standards, providing reliable performance and durability. This relay is manufactured to strict quality controls to ensure consistent operation in automotive cooling systems. Please refer to Four Seasons’ warranty policy for coverage details on this part.
| Brand | Four Seasons |
| Part Number | 35988 |
| Position | Rad Fan Controller, N/A |
| Amperage Rating | 30 |
| Bracket? | w/o Bracket |
| Description | Relays |
| Meets / Exceeds OEM? | Yes |
| Skirt? | Yes |
| Style | Radiator Fan Controller |
| Terminal Gender | Male |
| Terminal Quantity | 5 |
| Terminal Type | Blade |
| Type | Radiator Fan Controller |
| Voltage | 12 |
This part fits 126 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1996 | Ford | Escort | N/A | Compressor Clutch Cut-Out Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1996 | Mercury | Tracer | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |||
| 1995 | Ford | Escort | N/A | Compressor Clutch Cut-Out Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1995 | Mercury | Tracer | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |||
| 1994 | Ford | Aerostar | 3.0L | V6 | N/A | Auxiliary; Rad Fan Controller | |
| 1994 | Ford | Cougar | N/A | Rad Fan Controller | |||
| 1994 | Ford | Cougar | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Relay | |||
| 1994 | Ford | Escort | N/A | Compressor Clutch Cut-Out Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1994 | Ford | Tempo | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1994 | Mercury | Cougar | N/A | Rad Fan Controller | |||
| 1994 | Mercury | Cougar | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Relay | |||
| 1994 | Mercury | Topaz | 2.3L | L4 | N/A | Fits vehicles with air conditioning systems.; Relay | |
| 1994 | Mercury | Tracer | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |||
| 1993 | Ford | Aerostar | 3.0L | V6 | N/A | Auxiliary; Rad Fan Controller | |
| 1993 | Ford | Cougar | N/A | Rad Fan Controller | |||
| 1993 | Ford | Escort | N/A | Compressor Clutch Cut-Out Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1993 | Ford | Tempo | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1993 | Lincoln | Mark VIII | N/A | Relay; Rad Fan Controller | |||
| 1993 | Mercury | Cougar | N/A | Rad Fan Controller | |||
| 1993 | Mercury | Topaz | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1993 | Mercury | Tracer | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |||
| 1992 | Ford | Cougar | N/A | Rad Fan Controller | |||
| 1992 | Ford | Escort | N/A | Compressor Clutch Cut-Out Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1992 | Ford | Explorer | N/A | New Part | |||
| 1992 | Ford | Ranger | N/A | New Part | |||
| 1992 | Ford | Tempo | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1992 | Ford | Thunderbird | 5.0L | V8 | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |
| 1992 | Ford | Thunderbird | 3.8L | V6 | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |
| 1992 | Jeep | Comanche | N/A | New Part | |||
| 1992 | Lincoln | Mark VII | N/A | Relay; Rad Fan Controller | |||
| 1992 | Mercury | Cougar | N/A | Rad Fan Controller | |||
| 1992 | Mercury | Topaz | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1992 | Mercury | Tracer | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |||
| 1991 | Ford | Aerostar | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1991 | Ford | Cougar | N/A | Rad Fan Controller | |||
| 1991 | Ford | Escort | N/A | Compressor Clutch Cut-Out Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1991 | Ford | Explorer | N/A | New Part | |||
| 1991 | Ford | LTD Crown Victoria | 5.0L | V8 | N/A | Rad Fan Controller | |
| 1991 | Ford | Ranger | N/A | New Part | |||
| 1991 | Ford | Tempo | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1991 | Ford | Thunderbird | 5.0L | V8 | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |
| 1991 | Ford | Thunderbird | 3.8L | V6 | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |
| 1991 | Jeep | Comanche | N/A | New Part | |||
| 1991 | Lincoln | Mark VII | N/A | Rad Fan Controller | |||
| 1991 | Mercury | Colony Park | N/A | Rectangular Relay; Rad Fan Controller | |||
| 1991 | Mercury | Cougar | N/A | Rad Fan Controller | |||
| 1991 | Mercury | Grand Marquis | N/A | Rectangular Relay; Rad Fan Controller | |||
| 1991 | Mercury | Topaz | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1991 | Mercury | Tracer | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |||
| 1990 | Ford | Aerostar | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1990 | Ford | Bronco II | N/A | New Part | |||
| 1990 | Ford | Cougar | N/A | Rad Fan Controller | |||
| 1990 | Ford | Escort | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1990 | Ford | LTD Crown Victoria | 5.0L | V8 | N/A | Rad Fan Controller | |
| 1990 | Ford | Mustang | N/A | Rad Fan Controller | |||
| 1990 | Ford | Mustang | 5.0L | V8 | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Relay | |
| 1990 | Ford | Ranger | N/A | New Part | |||
| 1990 | Ford | Tempo | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1990 | Ford | Thunderbird | 3.8L | V6 | N/A | A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; Rad Fan Controller | |
| 1990 | Ford | Thunderbird | 3.8L | V6 | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |
| 1990 | Lincoln | Mark VII | N/A | New Part | |||
| 1990 | Mercury | Colony Park | N/A | Rectangular Relay; Rad Fan Controller | |||
| 1990 | Mercury | Colony Park | N/A | Rad Fan Controller | |||
| 1990 | Mercury | Cougar | N/A | Rad Fan Controller | |||
| 1990 | Mercury | Grand Marquis | N/A | Rectangular Relay; Rad Fan Controller | |||
| 1990 | Mercury | Grand Marquis | N/A | Rad Fan Controller | |||
| 1990 | Mercury | Topaz | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1989 | Ford | Aerostar | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1989 | Ford | Bronco II | N/A | New Part | |||
| 1989 | Ford | Escort | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1989 | Ford | Ranger | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1989 | Ford | Tempo | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1989 | Ford | Thunderbird | 3.8L | V6 | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |
| 1989 | Mercury | Cougar | N/A | Rad Fan Controller | |||
| 1989 | Mercury | Topaz | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1988 | Ford | Aerostar | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1988 | Ford | Bronco II | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1988 | Ford | Cougar | N/A | Rad Fan Controller | |||
| 1988 | Ford | Escort | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1988 | Ford | Ranger | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1988 | Ford | Tempo | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1988 | Ford | Thunderbird | N/A | Rad Fan Controller | |||
| 1988 | Mercury | Cougar | N/A | Rad Fan Controller | |||
| 1988 | Mercury | Topaz | N/A | Fits vehicles with air conditioning systems.; Relay | |||
| 1987 | Ford | Aerostar | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1987 | Ford | Bronco II | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1987 | Ford | Cougar | N/A | Rad Fan Controller | |||
| 1987 | Ford | Escort | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1987 | Ford | Ranger | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1987 | Ford | Thunderbird | N/A | Rad Fan Controller | |||
| 1987 | Mercury | Cougar | N/A | Rad Fan Controller | |||
| 1987 | Mercury | Lynx | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1987 | Mercury | Topaz | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1986 | Ford | Aerostar | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1986 | Ford | Bronco II | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1986 | Ford | Cougar | 3.8L | V6 | N/A | New Part | |
| 1986 | Ford | Escort | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1986 | Ford | Ranger | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1986 | Ford | Thunderbird | N/A | Rad Fan Controller | |||
| 1986 | Mercury | Cougar | 2.3L | L4 | N/A | New Part | |
| 1986 | Mercury | Lynx | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1986 | Mercury | Topaz | 2.3L | L4 | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |
| 1985 | Ford | Bronco II | N/A | A/C Compressor Relay; Throttle Cut Off; Rad Fan Controller | |||
| 1985 | Ford | Escort | 1.6L | L4 | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |
| 1985 | Ford | Escort | 1.9L | L4 | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |
| 1985 | Ford | Ranger | N/A | Rad Fan Controller | |||
| 1985 | Ford | Thunderbird | N/A | Rad Fan Controller | |||
| 1985 | Mercury | Lynx | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1985 | Mercury | Topaz | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1984 | Ford | Escort | 1.6L | L4 | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |
| 1984 | Mercury | Lynx | Automatic | 2.0L | L4 | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller |
| 1984 | Mercury | Lynx | Manual | 2.0L | L4 | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller |
| 1984 | Mercury | Lynx | Automatic | 1.6L | L4 | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller |
| 1984 | Mercury | Lynx | Manual | 1.6L | L4 | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller |
| 1984 | Mercury | Topaz | 2.0L | L4 | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |
| 1984 | Mercury | Topaz | 2.3L | L4 | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |
| 1983 | Ford | Escort | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1983 | Ford | Mustang | 5.0L | V8 | N/A | New Part | |
| 1983 | Mercury | LN7 | 1.6L | L4 | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |
| 1983 | Mercury | Lynx | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1982 | Ford | Escort | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1982 | Ford | Mustang | 5.0L | V8 | N/A | New Part | |
| 1982 | Mercury | LN7 | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1982 | Mercury | Lynx | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller | |||
| 1981 | Ford | Escort | N/A | Fits vehicles with air conditioning systems.; Rad Fan Controller | |||
| 1981 | Mercury | Lynx | N/A | Radiator Fan Motor Relay; w/o AC; Rad Fan Controller |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.