For simplicity, I have arbitrarily assigned the pin numbers for the plug. Looking at the back of the plug where the wires come in, start at the first pin and count left to right. Speedo Harness #1…56B-18…to turn signal switch, to 56A-18, to terminal A on front harness connector, to left turn signal #2…42-18…to JJ terminal on engine harness connector, to 42-16, to 4WD indicator light switch #3…52A-18…to a connector, then 51-16 out of that connector to the light switch #4…57B-18…to turn signal switch, to 57A-18, to B terminal on front harness to right turn signal #5…62G-18…to panel light connector, to 62F-16, to shift indicator light (optional) #6…Blank #7…44A-18…to G2 on Ignition switch, to radio feed 44B-18, to G terminal on front harness connector, to 44B-18 to brake pressure switch #8…44-18…to I terminal on ignition switch, to 16-18, to FF terminal on engine harness, to 16-16, to positive side of coil #1 #2 #3 56B-18 LF TRN Signal light 42-18 4WD IND Switch #4 57B-18 RT TRN Signal light #6 #7 44A-18 Brake Pressure Switch 52A-18 To light switch #5 62G-18 Shift Ind light (if equipped) #8 44-18 Positive side of Coil Blank Fuel Gauge Plug #1…Blank #2…62D-18…to Panel Light Connector, to 62E-18, to knob light ground #3…Blank #4…Blank #5…11B-18…Ground #6…36-18…to S terminal on Rear Harness Connector, to 36-16, to fuel sending unit #7…28B-18…to #7 pin on Oil Pressure plug. (Piggy back power feed) #8…Blank #1 #2 62D-18 Panel lights knob ground Blank #3 #4 #5 Blank Blank 11B-18 Ground #6 #7 28B-18 Piggy back power feed from oil pressure plug #8 36-18 Fuel Sending Unit Blank Oil Pressure Plug #2…62B-18…to Panel Light Connector, to 62C-18 heater ground #3…28A-18…to A terminal on Ignition Switch to fuse block (power feed) #4…Blank #5…11C-18…Ground #6…35-18…to AA terminal Engine Harness Connector, to 35-16, to Oil Pressure Sender #7…28B-18…to #7 terminal on Fuel Gauge plug #8…29-18…to BB terminal on Engine Harness Connector, to 29-16, to Water Temp Sending Unit #1 #2 62B-18 Panel light Connector Blank #3 28A-18 To Ignition Switch (Hot) #4 #6 35-18 Oil Pressure Sending Unit #7 28B-18 Power from Fuel Gauge #5 11C-18 Blank Ground #8 29-18 Water Temp Sending Unit This information came straight out of the Scout II service manual. Your harness may vary, so check and verify.