main engine wiring harness part#82116-02221 was discontinued is there another part number i can use to replace my wires

No, there is no other part number you can use. Your only options are to: One, repair the current wire harness. Two, find a used wire harness at a salvage yard or used parts market near you. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops