My jeep is a 93 wrangler. After it shuts down I can start it again, but as

[Joe J]

soon as I go forward it shutsdown.? It idols fine when I start it, and all the cables to the battery are solidly connected. There is a little bit of oil on some of the cables but nothing extreme. When I go to start it again it usually takes a little bit of time but seems to start fine. Thought that it was fuel injection but when its idoling I can rev the engine fine. Think electrical but I really have no idea....???....???