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Know where I can find a wiring diagram? 200 1983

posted by  jp213a on  Sat Sep 25 16:57 CST 2004
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I've got an old Haynes 240 Series manual that has great wiring diagrams in the back specifically for 1983's. The ISBN number for the manual is 0 85696 964 8. The pigtail just above the 25 pin connector at the ECU connects a red wire from ECU pin 16 to the AC switch. It increases idle speed when the AC is on. Pins 1-13 are on one side and 14-25 on the other with 1 at the end where the cable enters the connector. The rest of the pin out is as follows: 1=coil, 2=temp sensor, 3=throttle switch closed, 4= starter engaged signal, 5=O2 shield wire, 6-8=air mass meter, 9=system relay, 10=idle air control motor (close), 11=ground, 12=throttle switch full open, 13=fuel injectors, 14=air mass meter CO2, 15=constant idle speed (ground to test), 16=AC switch, 17=fuel pump relay, 18=fuel pump relay, 19=no wire or ground, 20=O2 sensor, 21=system relay 12 volts, 22=O2 test, 23=idle air control motor (open), 24=no wire, 25=ground (throttle switch). Post back if you need more. jp






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