How replace 1994 chevy truck ignition switch | ehow, The ignition switch secured to the steering column on a 1994 chevrolet truck begins process of starting the engine. when the key is turned, the ignition sends an. How replace ignition switch chevy | ehow, How to replace the ignition switch on a chevy. chevrolet, or chevy, is a popular american car and truck maker. the ignition switch in your chevy provides many.