Re: What happens when you cross signal and ground wires?
if you use a dmm and mix up the positive and negitive it will just read as a negitave number instead of a positive number. ex. if i check the batteries volts and put the red lead on positive and black on neg it should read a 12.??? but if i put red on neg and black on pos. it would just read -12.??? . do you understand? they will not effect anything that you are testing.
what you should try would to start truck and while it is running unplug the maf sensor and see if there is a change in the trucks idle. then plug it back up and make sure it is completely plugged in. this will eliminated the maf from the problem. if nothing changes when u pull it then the maf is the problem. if it has change in ilde and dies or stalls then ur problem lies somewhere else. let me know what u find
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