Description

The E37-P1 Input Fan Control Harness is engineered to provide a clean and reliable way to send a manual or switch-based signal to your ECU for fan activation. Compatible with the E37 ECU system, this pre-wired harness allows you to trigger the cooling fan based on an external input such as a thermal switch, toggle switch, or relay. It features durable automotive-grade wiring and high-quality connectors for long-lasting performance. Perfect for custom applications or vehicles requiring manual override of fan operation.