Towing Equipment› Trailer Wiring and Electronics

Roadmaster Inc

INCANDESCENT DIODE

$111.93

SKU: R01S 153782

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Roadmaster Inc 153782 is a smart diode wiring kit designed for towed vehicles with incandescent bulbs. It ensures that the brake, tail, and turn signal lights on the towed vehicle function properly without affecting the electrical system of the motorhome.

This universal fit kit is compatible with variable voltage tail lights and features hy-power diodes. The kit includes a 27-foot wiring harness and is rated for a maximum amperage of 5 amps and a maximum voltage of 16 volts.

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

BrandRoadmaster Inc
Part NumberR01S 153782

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.

View Full Return Policy