Ignitions and Electrical› Wiring Harnesses

FAST

Fast Relay Harness, For 170301 & 17 302

$18.95

SKU: F003 30373-1

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The FAST 30373-1 is a relay harness designed for FAST Wireless Air/Fuel Meters and TCI Wireless EZ-TCU. It easily plugs into an existing port. This harness should be wired to a relay to control anti-theft features, RPM window switch, and lead safety switch.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFAST
Part NumberF003 30373-1

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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