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Scram Speed Dual Electric Fan Relay Wiring Harness - ground triggered, with multiple colored wires for EFI swaps.
Scram Speed Dual Electric Fan Relay Wiring Harness, ground triggered, ideal for EFI swaps, with multiple color-coded wires and labeled connectors.
Scram Speed Dual Electric Fan Relay Wiring Harness - ground triggered, automotive cooling fan relay wiring harness for EFI swaps.
Scram Speed Dual Electric Fan Relay Wiring Harness - ground triggered, with multiple colored wires for EFI swaps.
Scram Speed Dual Electric Fan Relay Wiring Harness, ground triggered, ideal for EFI swaps, with multiple color-coded wires and labeled connectors.
Scram Speed Dual Electric Fan Relay Wiring Harness - ground triggered, automotive cooling fan relay wiring harness for EFI swaps.
Scram Speed Dual Electric Fan Relay Wiring Harness - ground triggered, with multiple colored wires for EFI swaps.
Scram Speed Dual Electric Fan Relay Wiring Harness, ground triggered, ideal for EFI swaps, with multiple color-coded wires and labeled connectors.
Scram Speed Dual Electric Fan Relay Wiring Harness - ground triggered, automotive cooling fan relay wiring harness for EFI swaps.
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Scram Speed

Scram Speed Dual Electric Fan Relay Wiring Harness - ground triggered. GREAT for EFI swaps!

1 review Write a Review
Simplify your Electric Fan installation.This is our new Fan Control harness and module for an easy, great-looking installation of single or dual electric fans. …
SKU: SCW150
UPC: 785104852006
Availability: In stock!!
Shipping: Calculated at Checkout
$129.95
$189.99
Product Details  

Simplify your Electric Fan installation.

This is our new Fan Control harness and module for an easy, great-looking installation of single or dual electric fans. This is a ground triggered harness, so it works out-of-the-box with Holley Sniper, Terminator X, HP and Dominator systems. 

All connections are labelled, and wiring is loomed. Circuits are fused with good relays and included in an easy-to-mount waterproof module. Keep it in the engine compartment! Harness is long enough for just about any installation.

PLEASE NOTE: This kit contains 30 amp relays. It is intended for use in a properly functioning cooling system (where fans are not continuous duty). The fan should cool the engine sufficiently that it does not need to run constantly. If your fan is running constantly, your radiator is not sufficiently sized, or there is another problem. This kit is not intended for use with brushless fans, or large amp draw OEM fans like the Lincoln Mk VIII. Overloading this relay kit is not covered by warranty. If you need a fan recommendation, we carry a variety of SPAL fans which are low amp draw and move sufficient air to cool just about anything.

Customer reviews

1 Review Write a Reviews
  • GREAT PRODUCT. FAN WIRING MADE EASY
    5

    Posted by RICHIE SCALLION on 7th May 2026

    This harness was really impressive. I did some looking and even bought another harness and ended up sending it back after I saw this one. It was as great as it looked online.
    Shoutout to TK Speed Shop for recommending this harness!

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