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Message: [QUOTE="gwunter, post: 1251072, member: 9742"] Well I've logged about 40 mile s on it now. I still am happy with the results. But alas I still don't have tach or speedo. This is getting frustrating. I've called 2 dealerships and I'm getting different answers on where the VSS is. One says rear differential and one says transmission! That's frustrating right there. I have a Haynes repair manual for supposedly 97-09 expeditions but it doesn't have much specific to the 3rd gens. It doesn't even have a good wiring diagram. Anyone know of a good source for a better manual for it?? I've discussed it with bill at php and he didn't have any good input to resolve the tach or speedo. I've also read things about when converting some gasser ford's in order to get the tach working you got to wire in the cam sensor wires with the crank sensor wires. Unfortunately I removed wiring for them already. I can't find a good pinout of the pcm to replace these wires :( I am though getting a good signal produced through the orginal crank sensor and the machined harmonic balancer. I was actually getting about 10AC volts through it but I gapped the sensor out to obtain the desired .5-1AC volts, so I think the sensor is good. I've tried feeling around for a VSS on the rear differential but can't locate anything on it. I'm also thinking maybe the problems are tied together. All other gauges and accessories work on it it's just the 2 important ones I have failed on.....so far. Here's a few more pics. [ATTACH=full]154815[/ATTACH] [ATTACH=full]154816[/ATTACH] And here's a few of the throttle setup which I guess you could say is drive by wire. It works well except apparently in the original programming whenever you let off the throttle completely it will initially drop below idle and then reset to the idle position. So on the original 5.4 it would in theory completely cut off the air flow for a split second and then return to idle. This is the first I've ever noticed this on a vehicle. I hope to have this programmed out someday. Anyway here's the pics. [ATTACH=full]154817[/ATTACH] [ATTACH=full]154818[/ATTACH] [ATTACH=full]154819[/ATTACH] anyone have any input on these problem areas?? Thanks. [/QUOTE]