Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Auxiliary HVAC Control Processor | Behind auxiliary HVAC controller, in headliner. |
| Body Control Module | Behind lower right side of dash. |
| Central Sequential Fuel Injection (4.3L VIN X) | On bottom of intake manifold. See Figure . |
| Cruise Control Module | Near brake fluid reservoir. |
| Electronic Brake Control Module | On left frame rail, near center of vehicle. |
| Fuel Injector Control Module (CNG) | On left side of radiator support. |
| Ignition Control Module (4.3L VIN X) | On top right side of engine, at ignition coil. See Figure . |
| Inflatable Restraint Sensing & Diagnostic Module | Under left front seat. See Figure . |
| Powertrain Control Module | In engine compartment, on left inner fender. See Figure . |
| Remote Control Door Lock Receiver | Behind upper left center of dash. See Figure . |
| Turn Signal/Hazard Flasher Module | Behind left center of dash. See Figure . |
| Vehicle Communication Interface Module | Below steering column. See Figure . |