Fan Wiring and Relay for Oil Cooler

Fan Wiring & Relay Kit for Oil Cooler – ZF 8HP

Complete wiring and relay kit to power an auxiliary radiator fan for your ZF 8HP oil cooling system. Built for clean installation, reliable switching, and proper circuit protection in performance and off‑road environments.

What’s Included

• 40A automotive relay (SPST) with relay socket
• Inline fuse holder with ATC/ATO fuse
• 12V automotive wire loom (power/ground/signal), heat‑resistant
• Ring terminals, spade connectors, heat‑shrink, cable ties
• Wiring diagram and install notes

Key Features

• Safe & Reliable: Fused, relay‑controlled circuit prevents overloads and voltage drop.
• Clean Integration: Lengths and terminals selected for under‑hood routing.
• Flexible Control: Works with ECU/TCU trigger, manual switch, or thermal switch.
• Universal Fit: Compatible with most 10–14" fans used on oil coolers.

Recommended Setup

• Pair with our Oil Cooling Radiator and Radiator Fan for a complete solution.
• Optional: add a temperature switch (e.g., 80–90 °C) for automatic fan control.

Notes

• 12V system; verify current draw vs. fan specs (typically 10–20A).
• Route away from hot/moving components; protect with loom where needed.
• Use proper chassis ground; test operation before final tie‑down.