chappy 1981

hi people!!!, does anyone know how to do wiring on a 1998 dt 125r, a bought the bike as a runner but guess what I got ripped off royally!!! spent a fortune on engine, new bearings, seals, conrod, crankshaft!!, just rebuilt whole bottom end and I thought would see if a spark but none, does the wires on the head stop it from sparking coz not got head on yet just worried, nae good with electrics