Towing Equipment› Trailer Wiring and Electronics

TOW READY

TAILGT ISOLATING W/4-FLT

$118.66

SKU: T05K 118821

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 TOW READY 118821 Taillight Isolating System is a module designed to protect the tow vehicle electrical system from the trailer wiring, especially on vehicles with multiplex wiring systems. It features a 4-flat output and works with vehicles that have two-wire or three-wire systems. A wiring kit is also included.

Fitment

Fitment Guaranteed

Don’t gamble
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

BrandTOW READY
Part NumberT05K 118821

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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