C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
![background image](/gmc/c_3500_truck_2wd/v8-454_7.4l_vin_j_sfi/Page-2577004.png)
Front And Rear Auxiliary HVAC Control Modules (Overhead Console)
On the rear of the overhead console molding, in the headliner
Front And Rear Auxiliary HVAC Control Modules (Overhead Console)
On the rear of the overhead console molding, in the headliner