Towing Equipment› Trailer Wiring and Electronics

JAMMY

7-POLE JUNCTION BOX WITH HARDWARE

$23.64

SKU: J030 J-JB

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Jammy J-JB is a 7-pole junction box designed to keep trailer wiring neat and organized. It features a weatherproof, corrosion-resistant molded plastic cover and housing. The junction box includes two-bolt mounting on 7-3/8″ centers, open and closed access slot grommets, wire clamps, and seven color-coded #10-32 studs with nuts and washers. It also has a securely riveted terminal bar with labeling for typical wiring colors.

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

BrandJAMMY
Part NumberJ030 J-JB

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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