Wiring Diagrams - ct90-ct110 These are original and genuine Honda wiring diagrams, directly out of a Honda Shop Manual or a Honda Owner's Manual, so, no errors have been made by trying to redraw the wiring diagram accurately. 1982 CT110 Wiring Diagram (Covers 1982, 1983 & 1984) This is to aid in understanding how the original wiring harness was set-up. 1984 ATC125MShop Manuals · CT Gallery · Honda Parts Sources · The Repair Shed Understanding wiring harness tags - Honda Trail - CT90 The 32100-459-670 is the Honda part number for a 1980 CT110 wiring harness. I'm not sure what the last digit of what you listed "32100-459-6701", i.e., the "1", is for. And, I have no idea what the "9K 301326" stands for, either. The wiring harness for a 1977 CT90 is Honda part number 32100-102-780 which is also used in the 1978 & 1979 CT90's.