Dual-Circuit Control for Heavy-Duty Vehicles
This 2-pack of SPDT relays provides reliable switching for critical automotive systems in Ford, Chevy, and Dodge trucks. Designed to replace factory relays prone to overheating or corrosion, it ensures stable operation in high-current applications.

Technical Specifications:

Contact Type: SPDT (1 Form C)

Terminal Layout: 5-pin (ISO 280-compatible: pins 30-85-86-87a-87b)

Electrical Rating: 40A @ 12VDC resistive load

Environmental: IP67-sealed housing with flame-retardant casing.

Key Applications:

Cooling Fan Redundancy: Maintains dual-fan operation to prevent engine overheating.

A/C System Optimization: Switches between compressor clutch and auxiliary cooling modes.

Auxiliary Power Management: Controls winches, LED light bars, or air compressors.

Cross-Reference Compatibility:

Direct swap for 25230-79917, 25230-79945, and equivalent Bosch/TE Connectivity relays.

Installation Tips:

Verify original relay part number and pin alignment. Clean socket contacts if oxidized.