American Autowire Classic Update Kit - 1973-82 GM Truck Gauge Service Parts Key features include:

Key features include:

state-of-the-art

ride height and spring balance (loads) are established by comparing the position of the ride height sensor to the air pressure within each air spring

Pre-built dash harness and our exclusive gauge cluster disconnect system for use with stock or aftermarket instruments

Part Number - 30400036

American Autowire Classic Update Kit - 1973-82 GM Truck Gauge Service Parts Key features include:Classic Update kits are designed for projects that require more circuits than would have been available in an original chassis harness. Each kit includes all the basics needed to rewire a vehicle from headlight to tail light, and will accommodate popular add on items such as electronic fuel injection, aftermarket gauges and common supporting modifications. This harness includes: An updated ATC fuse panel and fuses, along with modern GXL wire