hi there guys almost finished mu rst convertion however i turned the key today and it worked fine so after i solderd on the wire off the live from ing and it wont crank over atall my radio works but have no lights hazards etc just wanted to know if any of you lot know what it is as i have checked most things a seem all fine but i have got a clifferd alam on vehical witch ithink may be couseing the prob?????any ideas pls thanks