How to repair ignition wire it keeps burning under the steering wheel (Ford tipper 2.5 1993)?

it,s a short in the ignition wiring,needs to be checked out by a good mechanic .be aware short circuits are very hard to find sometimes,better to take it to a dealer who sells the car,may cost more but supposedly the mechanic,s are better trained.don,t mess with it or you may end up toast!going down the road.