Help Please

[clb0099]

Well,I picked up the car and was driving when the engine light came on. Everything was driving fine I drove it to work and parked it and then I was driving home and while making a lefthand turn it died. It seemed like it stalled at first I was thinking my I wasn't use to the new clutch but I turned key off/on and nothing but the interior lights came on. The radio which is aftermarket start lighting up or evn turn on. When I turn the key no noise or nothing like the engine is trying to start. The tow driver told me we should try and let teh car roll down the hill and try and pop the clutch to start it.. well that didn't work either... He said that would bypass the start. So people what do you think it is the ignition switch, starter, or something the mechanic forgot to connect when h did the clutch.