Conn. Ref     Pin     Function     Wire colour
T68     1     Ground     Brown 2.5mm
T68     2     Engine speed signal to dash panel insert     Black/Green 0.5mm
T68     3     J397 Rad. Fan run-on relay (AFN only)     Brown/White 0.5mm
T68     4     N146 Metering adjuster (injection pump)     Brown/Yellow
T68     5     N146 Metering adjuster (injection pump)     Brown/Yellow
T68     6     Glow plug heater low heat output relay     Black/Blue 0.5mm
T68     7     G149 Modulating piston movement sender     Grey/Green
T68     8     G28 Engine speed sender     Black (Shielded)
T68     9     MFA fuel consumption signal to dash panel     Lilac/white 0.5mm
T68     10          
T68     11     G80 Needle Lift sender (injector 3)     Blue (Shielded)
T68     12     G80 Needle Lift sender (injector 3)     Grey (Shielded)
T68     13     G70 Air Mass Meter     Brown/Red 0.5mm
T68     14     G62 Coolant temp. sender     Blue/Brown
T68     15     G79 Accelerator position sender     White/Blue 0.5mm
T68     16          
T68     17     F36 Clutch Pedal switch     White/Red 0.5mm
T68     18     Auto Box only     
T68     19     G70 Air Mass Meter     Red/Green 0.5mm
T68     20     F47 CCS Brake pedal switch     White/Yellow 0.5mm
T68     21          
T68     22          
T68     23     J317 12v current supply     Black/Yellow 2.5mm
T68     24     Ground     Brown 1.0mm
T68     25     N18 EGR Valve control     Brown/White
T68     26     Glow plug heater high heat output relay     Black/Brown 0.5mm
T68     27          
T68     28     Air Conditioning system only     Brown/Grey
T68     29     G149 Modulating piston movement sender     Lilac/Black
T68     30     N146 Metering adjuster (injection pump)     Brown/Yellow
T68     31     Auto Box only     
T68     32     Auto Box only     
T68     33     Sender ground in engine wiring harness     Brown/Blue 1.0mm
T68     34     E45 Cruise control switch     Blue/Grey 0.5mm
T68     35     E45 Cruise control switch     Red 0.5mm
T68     36          
T68     37     Air Conditioning system only     Green
T68     38     Terminal 15 (Ignition)     Black 1.0mm
T68     39     GROUND (Diag: Alternator W terminal or DF)     BROWN (Diag: Red/Black 0.5mm)
T68     40          
T68     41          
T68     42     J317 supply relay control     Black/Lilac 0.5mm
T68     43     Vehicle speed signal from dash panel     Blue/White 0.5mm
T68     44     Brake signal (L brake light bulb)      Black/Red 0.5mm
T68     45     J317 12v current supply     Black/Yellow 1.0mm
T68     46     Ground     Brown 1.0mm
T68     47     N75 turbo pressure control     Red/Blue 0.5mm
T68     48     Glow period indicator to dash panel     Blue/Green 0.5mm
T68     49     N146 Metering adjuster (injection pump)     Brown/Yellow
T68     50     J52 glow plug relay control     Yellow/Blue
T68     51     N108 Commencement of injection valve     Brown/Black
T68     52     G149 Modulating piston movement sender     White/Green
T68     53     N109 Fuel shutoff valve control     White/Black
T68     54          
T68     55     G79 Accelerator position sender     Grey/Red 0.5mm
T68     56          
T68     57     G79 Accelerator position sender     Yellow/Green 0.5mm
T68     58          
T68     59          
T68     60          
T68     61     Immo J362 (W-Line) (was K-line on non-immo ECU)     Grey/White 0.5mm
T68     62     G79 Accelerator position sender     Green/White 0.5mm
T68     63     G81 Fuel temperature sender     Yellow/Black 0.5mm
T68     64     G72 Intake manifold temperature sender     Blue/Yellow 0.5mm
T68     65     G79 Accelerator position sender     Grey/Blue 0.5mm
T68     66     E45 Cruise control switch     Black/White 0.5mm
T68     67          
T68     68     J317 Terminal 30 current supply     Black/Yellow 1.0mm