The Jeep XJ Cherokee is a cherished 4×4 among off-road enthusiasts, and now it can be even better with the Classic Update Kit from American Autowire, which the company displayed at the 2024 SEMA show. The Classic Update Kit isn’t just a wiring harness, it’s your gateway to modernizing your 1984 to 1990 Cherokee with the features and reliability you want. It’s perfect for a modified off-road XJ, a restomod build with things like aftermarket fuel injection, or a late model engine swap.

Fully Built Harness, Supports All Factory 4WD Options

American Autowire delivers the dash harness fully built. The only connections you’ll need to make are the backup and neutral safety connections. This is due to transmission options. The kit’s features include a new fuse box and bulkhead assembly, and they accommodate nearly all accessories including aftermarket gauge packages. There’s a plug-in steering column connection that supports the factory and most aftermarket columns. Additionally, the kit includes connections for heat and air conditioning systems, both factory and aftermarket. Furthermore, the system supports factory-style, under-dash courtesy lamp assemblies, there’s a plug-and-play heater switch, wiper/washer switch, and more. Most importantly, for off-road fans, it supports all factory 4WD options, with step-by-step connection instructions and necessary wiring.

It’s also important to note that the Classic Update Kit includes new sockets for all of the XJ lighting as well as comprehensive engine compartment wiring. There’s even new connections for the factory V6’s HEI and GM large cap HEI. The kit will support standalone EFI or complete engine swaps. However, the factory engine management wiring is not included. Finally, the kit also includes a high-powered, 6-gauge, 1-wire alternator connection with Mega-Fuse protection.

Why Upgrade?

The American Autowire 1984 to 1990 XJ Cherokee Classic Update kit has been designed to eliminate the clutter of the original Jeep wiring. It’s a great options for Jeep XJ owners who love the rugged features of their classic ride but crave electrical system reliability and the functionality of modern vehicles. With everything designed for easy integration, this kit eliminates the stress of figuring out complicated wiring projects on your own.