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  1. jr1under

    Loosing VSS signal causing speedometer non-op and shifting issues

    It's always seemed that a flaky GEM is somehow involved with this behavior. Easy observation but what's flaking it out...? A while back, there was a comment something like "maintaining 25 year old vehicles is not for the easily discouraged." You are definitely not easily discouraged and I've...
  2. jr1under

    2001 Expy new problem

    At one time you were going to sell it, guess you changed your mind. What's going on with it now?
  3. jr1under

    FORSCAN mods?

    Probably a dumb answer. I don't have a PC but started using FORScan Lite on an iPhone several months ago, never realized so much data was available for a Gen1. More data, in fact, than I know what to do with. However, the Lite version "lacks the deep vehicle programming and "as-built"...
  4. jr1under

    Door Ajar sensors

    Obviously the shop disconnected the battery at some point...does it always take x amount of miles or trips or time before the P0500 comes back? Would you gain any useful info from clearing codes, doing a power reset, and keeping track of what happens until the code reappears?
  5. jr1under

    Door Ajar sensors

    Wow, the parallels continue - I'm replacing my alternator today. It left this life 10 miles from home on Sunday evening and I had to call a wrecker. Yesterday, I pulled out the old and bought a new new one, installing it now.
  6. jr1under

    Second VSS replacement failed

    Wow, respect to the shop for figuring that out. Out of curiosity, how did they figure it out? Was it something they already knew, was there a way to logically trace it back to the harness, ...?
  7. jr1under

    What size is 60/40 Seat Latch

    Hope this helps.
  8. jr1under

    Looking for detailed door lock linkage diagram (Driver & Rear Passenger) - 2001 Ford Expedition

    Yeah, if the actuator is bad, that's a completely different jar of flies and good luck fixing it yourself. But first see if any of the door latch linkages have failed. Pull off the trim panel and peel the dust shield back past the inside door handle. Then check that all five latch rods are...
  9. jr1under

    Looking for detailed door lock linkage diagram (Driver & Rear Passenger) - 2001 Ford Expedition

    @tactful_1 Those are very common Gen1 lock issues that usually owe to deteriorated plastic - bushings, clips, end-pieces, etc. The good news is that you can fix them yourself for $20 or so. I'll be glad to go into more detail if this gets a response.
  10. jr1under

    Door Ajar sensors

    Earlier in this thread, Hamfisted mentioned using FORScan to gather more detailed data on my door-ajar problem. I already had FORScan Lite(iOS) and an OBDLink MX+ scanner but had never tried them, instead using an Ancel scanner and then later BlueDriver. Turns out FORScan provides way more info...
  11. jr1under

    Door Ajar sensors

    I've followed your saga for a long time so I'm interested in what they have to say too.
  12. jr1under

    Door Ajar sensors

    Mine's a lot easier to ignore than that! After testing and experimenting for months, I still think the codes I'm getting are ghosts in the GEM. Thought I'd isolated a battery drain on a couple of circuits but then discovered that testing idle current flow with a multimeter isn't as...
  13. jr1under

    Windshield resealing my 2000 xlt

    Does the other end of that ground connect to the green stud next to the PCM? It'd be a nice find if that's what's going on!
  14. jr1under

    Windshield resealing my 2000 xlt

    Are you talking about the seam in this picture?
  15. jr1under

    About to pick up a 2001-what should be done first?

    That's fairly low mileage for a Gen1. If there's not much frame rust and no serious engine or transmission issues, it sounds like a worthwhile undertaking. It'll definitely be simpler to work on than your other two Exp's. Re: spark plugs, I heard enough of the same horror stories to not try...
  16. jr1under

    Revealing pictures of an NSS

    If you've ever wondered(and who hasn't?) what a Neutral Safety Switch looks like on the inside, here's an example from my wife's 2005 F150 5.4. I replaced it because of a couple of times when she was out and the truck wouldn't start in Park, only in Neutral. This is my all-time least favorite...
  17. jr1under

    PO500 story continues with new twist

    Mine continues to have a 0.22A drain and Low Voltage code. The draw is split evenly between two circuits but I haven't isolated anything yet. I did pull out the Battery Saver Relay which tested ok for current and resistance. Still don't know if the problem is that there's current on those two...
  18. jr1under

    PO500 story continues with new twist

    My interpretation of what grok and the OBD SysOp manual say: Unless the truck is moving, the VSS does not output a signal nor does the PCM expect one. So, when you clear codes and crank but remain in Park, where is that P0500 coming from? No clear proof but I still suspect it's a phantom code...
  19. jr1under

    2001 4.6 2wd expedition what nut size wrench?

    Don't have any wrenches that big but, as measured with my calipers and what grok says, it's 27mm.
  20. jr1under

    Coil pack bolts 5.4

    Hope this is not too late but here's a link to a vendor I've used before. I think the bolts are M5 x 0.8, 27mm length...
  21. jr1under

    PO500 story continues with new twist

    The constant P0500...are you getting a CEL with that? After sitting for 4-5 days and getting down to 11.7V, I decided to ignore the door ajar code and focus on the low voltage, find out what's really causing it. Except that it's 27* and snowing, it went easier than expected. The meter showed...
  22. jr1under

    PO500 story continues with new twist

    Yeah, hmmm is right, 11.55 is bordering on the starter click zone. There has to be more than a single LED draining it like that. I did follow grok's advice to the point where it concluded the villain was GEM and the next step was easy - pop off the kick panel to inspect and clean two...
  23. jr1under

    PO500 story continues with new twist

    If mine sits 3-4 days, the battery will fade from 12.5V to as low as 12.2V. Haven't tested it for longer than that but I think that's when the low voltage code shows up along with the always-present door ajar code. And the voltage code persists even when the battery gets back to 12.5V. Maybe...
  24. jr1under

    PO500 story continues with new twist

    Good thing they're too old to have an internet connection to collude over. As the GEM is inaccessible(to me), I've tried to prove it's not the problem but the randomness of the codes points right back to it. Like most of the others, the P0500 came and went. The only consistency has been a...
  25. jr1under

    PO500 story continues with new twist

    Mine hasn't worked in forever so a couple of years ago I disconnected it and pulled the fuse - #12 in the high-current box.

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