& Upgraded J-boxes for Classic Concours
The Concours Junction Box is a weak link in the
motorcycle's electrical system. J-Boxes typically fail
in the 50-60,000 mile area due to stress corrosion of
the relay's solder joints or excessive electrical
loads caused by using J-Box leads to provide switched
power for accessories, thus placing a higher load(s)
on a relay.
Stress corrosion causes heat buildup, and higher
resistance, that eventually causes the relay to fail.
Depending on which relay fails, the headlight,
accessories, or engine may be affected. Typically,
these relays give some warning before failure by
operating intermittently when warm/hot, but may
operate normally when cold. These are the warning
signs of pending failure, it's only a matter of time.
Don't let J-Box failure leave you stranded - the
dealers do not stock them and the cost approaches
$160.00 for a new one.
Our service replaces your J-box's low
capacity OEM relays with new, high quality ones that
have 3X greater amperage rating than the original
ones, thus assuring ample reserve current carrying
capacity. Our refurbished junction boxes are
warranted for 6 months from the date of
shipment. The rebuilding of your j-box takes 1-2 days
after receipt and will be returned to you via Priority
When sending your J-box for rebuilding; remove the
cover, all fuses, the fuse pulling tool,
fan fuse bracket and the rubber, damper strap.
J-box - Rebuilt - Customers J-box via Priority Mail return. Order number: C-02132