Falls Dead When Put In Park

I Have A 2000 Isuzu Rodeo Automatic And Every So Often I Put My Truck In The Park Gear It Shuts Off

break in one or more wires drivers side of vehicle in the engine harness open the harness between the intake and pcm find the two red/white wires pull on them one at a time give it a good tug one or both of htem should break if not tug on every one one at a time untill you find the bad wire they tend to break inside of the insulation makes it a real PIA to find let me know what you find