Four Seasons 35788 Vent Control Relay

Vent Control Relay for Chrysler and Dodge HVAC Systems

Four Seasons Relay 35788 is a 12-volt vent control relay built for HVAC electrical control in select Chrysler and Dodge applications. It uses a standard relay design with a 5-blade male terminal layout and a 25-amp rating for direct replacement service.

Compatible with 1974-1976 Chrysler New Yorker, 1974-1976 Chrysler Newport, 1974-1976 Dodge Monaco, and 1974-1975 Chrysler Imperial applications, including HVAC systems featuring Automatic Temperature Control (ATC). Four Seasons 35788 is a practical OE-style relay replacement for restoring vent control function.

Key Features

• 12-volt standard relay for vent control circuits
• 5-terminal blade connection with male connector and male terminals
• 25-amp amperage rating
• Includes bracket for mounting support
• Silver finish with standard relay construction
• Meets or exceeds OEM requirements

Product Details

Four Seasons Relay line focuses on electrical control components used in automotive HVAC and body systems. Part number 35788 is a standard type relay with a 5-terminal blade interface, designed for straightforward electrical replacement where the original vent control relay has failed. This part cross-references Anchor 2408 and Eastern Catalytic 20426 for the same application.

Use this relay when servicing Chrysler New Yorker, Chrysler Newport, Dodge Monaco, or Chrysler Imperial vehicles equipped with ATC HVAC controls. The relay supports vent control operation by switching electrical current in the HVAC circuit, helping maintain proper system response.

What It Helps Fix

• HVAC vent doors that do not respond correctly
• Intermittent or failed vent control relay operation
• Loss of automatic temperature control function in the HVAC system
• Electrical switching issues in the climate control circuit
• Relay-related heating and air conditioning control faults

Installation Notes and Tips

Verify the original relay’s terminal count, connector style, amperage rating, and bracket configuration before installation. This part is listed for 12-volt systems with a 5-blade male connector layout, so matching the original electrical connector is important for proper fitment. Confirm vehicle application by year, make, model, and HVAC configuration before replacement.

Quality Assurance

Four Seasons 35788 is listed as meeting or exceeding OEM requirements for the specified applications. The Four Seasons Relay line is built for direct electrical replacement use in automotive HVAC systems.