CAInstruments is remaining open for business as usual.


The transportation industry and its suppliers are considered essential services and continue to operate amidst the COVID-19 outbreak.

As such a supplier, we will continue providing products and services to all of our customers.







Progamable Data Bus System that connects todays modern, electronically controlled diesel engines to intelligent analog instruments. Available in OBDII, J1587/J1708 or J1939

Need Help? CAI Provides No-cost Technical Support for the Lifetime of the Product.


  • Dual instrument function
  • Provisions for 16 instrument functions
  • 12 or 24 VDC, reverse polarity & transient spike protected
  • Parallel instrument drive, if one gauge fails the others are unaffected
  • Works with all instruments OHM resistance
  • 8 warning lights that can have programmable set points
  • Easy to install
  • Polycarbonate Case allows for durability and long lasting use.
Systems-Link, Databus, gauge driver, j1708, j1939