Series is built around comes completely ready to install under the dash. The

harness that is mounted under the dash was assembled to accommodate the

factory dash supports while not interfering with any aftermarket equipment that you

will install under the dash now or in the future.  Original dome lighting is included in

the wiring system.  Additionally, The update series includes under dash lighting and

enough spare circuits to add power locks, power windows, and much more.

   Original design rear body weatherproof boot and tube assemblies and original 

design light sockets make attachment to original or reproduction tail light

assemblies and easy plug-in. 
  
     Even custom applications require these assemblies for weather protection!  All 

original connectors are provided for connecting to all original equipment: lighting,

fuel sender, optional back-up lights, license lights, and even for adding a third

brake light.  Simple 3 7/8” male and female connectors are provided to connect

any steering column from the original to fully modified. The wiring harness is

completely GM color coded and we even supply the color code to adapt the

original system.  All the update series harness systems come ready to

connect to the updated SI alternator and original coil/distributor or most any

aftermarket system without additional parts. 

   All  update kits were built around, and in conjunction with, other industry leaders to so these kits accept the connections of many top name aftermarket manufacturer's products such as, Autometer, Classic Instruments, Dakota Digital, Flaming River, Hot Rod Air, Ididit, Pacific Western's "Rain Gear", Stewart Warner, Vintage Air, and VDO.  The update kits are engineered specifically for the exact requirements of the vehicle. We currently have eight (3) Update kits for you to choose from: Other Kits are also availible by request.