| No. | Name
        
       
       
        
         Location | Illus. | 
     
      |  | Components |  | 
     
      | 10 | Light switch,
       
       
        in the light switch unit between the steering wheel and driver's door |   | 
     
      | 16 | Rheostat, lighting for controls,
       
       
        In SID control panel |   | 
     
      | 21 | Relay, +54
       
       
        in fuse box in the dashboard |   | 
     
      | 22 | Main fuse box, dashboard,
        
       
       
        on the short side of the dashboard by the left door | 7
        
       
       
        
         9
        
       
       
        
         12 | 
     
      | 48 | Cigarette lighter,
       
       
        by the ashtray |   | 
     
      | 148 | Lamp, ashtray/cigarette lighting
       
       
        by the ashtray |   | 
     
      | 469 | OnStar control panel,
       
       
        in the centre of the dashboard |   | 
     
      | 540 | Main instrument unit,
       
       
        in the centre of the dashboard |   | 
     
      | 673 | OnStar control module
       
       
        
         4D:
        
        under the parcel shelf
       
       
        
         5D:
        
        under luggage compartment floor in front of subwoofer
       
       
        
         CV:
        
        in torsion box |   | 
     
      | 698 | NIGHT PANEL switch
       
       
        integrated in switch panel, (737a), on dashboard next to main instrument unit |   | 
     
      | 707 | Body Control Module.
       
       
        in fuse box in the dashboard |   | 
     
      | 717 | Interior lighting relay,
       
       
        in fuse box in the dashboard |   | 
     
      | 737a | Switch panel,
       
       
        on instrument panel next to main instrument unit |   | 
     
      |  | 102-pin connector |  | 
     
      | H102-1 | Under left A-pillar |   | 
     
      |  | Crimp connections |  | 
     
      | J68 | LHD:
        
        Approx. 120 mm from branching of column integration module towards grounding point G41
       
       
        
         RHD:
        
        Approx. 40 mm from branching of switch panel (737a) towards grounding point G41 |   | 
     
      | J70 | LHD:
        
        Approx. 190 mm from branching point light switch unit towards the column integration module
       
       
        
         RHD:
        
        Approx. 150 mm from grounding point G40 towards grounding point G41 |   | 
     
      | J76 | LHD:
        
        Approx. 40 mm from branching point cigarette lighter towards grounding point G41
       
       
        
         RHD:
        
        Approx. 130 mm from branching point grounding point G43 towards the radio |   | 
     
      |  | Grounding points |  | 
     
      | G40 | In the instrument well to the left of the knee member |   | 
     
      | G41 | In the instrument well to the left of the knee member |   |