Part # H234SD
Designed for use in vehicles previously equipped with ECM for closed loop carburetor control (1981 and later GM cars). Correct length to allow stock ECM location (passenger side kick panel). Plugs into production vehicle IP harness for power, "check engine" and diagnostic connector functions. Relays, ESC module and power leads located underhood. Requires slight IP harness lamp driver rework. Original vehicle harness provides alternator, starter, AC, gauge and ignition coil wiring. Mass Air Flow or Speed Density versions are available.