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Message: [QUOTE="Marty, post: 1146393, member: 602"] I was able to drive the truck around with the 2nd pcm for about two days without issue. I found a ground that has two in on one side and three out on the other that lays right up against the 5v signal. The grounds are for the 5v references elsewhere in the truck. I separated these wires because with the scope everywhere around that junction was extremely noisy. Basically the further away I got from it, the less sporadic the signal was, on either side. So I drove the truck around for a day with those two wires pulled out of the harness and no problem. So I replaced the ground wire and isolated them from the rest of the wires and then put everything back together. So far so good. [/QUOTE]

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