Towing Equipment› Trailer Wiring and Electronics

TOW READY

ECONOMY CIRCUIT TESTER

$53.35

SKU: T05K 3808

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

Beginner — under 30 min

Description

The Tow Ready 3808 is a 7-way flat pin end circuit tester designed for diagnosing electrical circuits in vehicles. It features an LED display to indicate completed circuits for running lights, left turn signals, and right turn signals. This tester also includes auxiliary, electric brake, and battery charge circuits.

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 3808

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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