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Scottzilla

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  • Your Pathfinder Info
    1989 Pathfinder SE. AT.
  • Mechanical Skill Level
    Wrench And Socket Set Mechanic
  • Your Age
    30-35
  • What do you consider yourself?
    Rarely Go Off-Road
  • Year
    1989

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  1. Nice, glad you got your fans to fit. I was trying that for a while, but I just ended up removing the fan shroud and mounting my fans behind the radiator.
  2. Just wanted to post an interesting tidbit I discovered today. I've got an '89 Pathy with no "Check Engine" light. The gauge cluster has an extra spot for a light right above the "Brake" light. In the name of science I went ahead and installed a bulb in this vacant spot. The light has been turning on with all the other lights when I first turned the key on, but turned off after I started the engine. Today the light came on and stayed on. I went under the seat and read out the ECU codes and noticed that the mystery light on the dash came on every time the red LED on the ECU did. It seems the ECU's red LED and the check engine light are one and the same, and that the only difference between having a check engine light and not having one is installing a light bulb. Maybe a little handiwork with a Sharpie too... Now I just need to hook up a green light and a switch and I can quit digging around under the passenger's seat every time I want to read ECU codes!
  3. It's amazing how much you can learn by crawling around in your rig with a meter for a couple of hours. I got my problem solved. See first post for details.
  4. And the tradition continues. Literally the first test drive after I sorted out my transmission problem my fuel and temp gauges stroked out. <sigh>
  5. Does the manual show how to pull codes from the TCU if you don't have an overdrive button? (I've only got a power button on the shifter) Thanks! Never mind. You can just use the Auto/Power button instead. Just make sure your TPS is hooked up right first!
  6. You have a newer Pathy than I do so it would be different than mine, but the TPS on yours is where the air intake tube goes into the rest of the engine (kind of on the driver's side). Find where the throttle cable hooks on, then look on the opposite side of the intake from that. You should see a black box looking thing with a connector on one end and a pigtail with another connector coming out of it. Both are 3-pin. I'd go to the junkyard, grab both the TPS and the attached wires and splice them in as far back as you can. (forgive the crummy description, but I'm doing it from memory from one I saw in a junkyard a couple of months ago)
  7. That's probably it. The only action it's seen in a while is driving across my lawn when my roommate parks behind me in the driveway.
  8. I just wanted to update this topic in case anyone else has the problem. In my case it turned out to be the wiring going to the TPS, not the sensor itself. Sometimes I could wiggle the wires while the engine was running and cause the issue to kick in. I got some new connectors and as much of the wire as I could from the junkyard and swapped it in and the problem hasn't returned.
  9. I think the switch is sticking or something. I've wiggled the wires and nothing changes. It seems to come on a bit sometimes when I first start it up. Sometimes it goes off by itself and sometimes I have to switch in and out of 4-HI a couple of times. Oh, well. I've seen where the switch is and it's not worth messing with. First it didn't come on at all and now it comes on too much. I think it's messing with me.
  10. I don't know for sure on the Pathfinders, but often the tach is set up for a specific number of cylinders. Unless somebody else here knows for sure I'd stick with one from a 6 cyl.
  11. Does anyone know how to pull codes from the TCU without having an OD button? (I have a power button only).
  12. '90 is pretty much the same as '89 except there's an extra wire/connector that you have to hook to ground so that your PRNDL21 lights work when the headlights are on. That's the extent of my gauge swapping. The temp seems to read the same between those two years. Oh yeah, one is orange and one is white.
  13. How does one test a tranny in a Pathy that doesn't have an OD switch?
  14. Good to know. Thanks! Just tried it. I managed to make it worse, but not better (it was already adjusted all the way one way). I'm starting to wonder if my new wiring harness is no good either. I tried a whole different TPS (again)
  15. Now the light is on dim when it's supposed to be off (still lights up bright in 4WD). I think my Pathy has a rule that everything can't work right at the same time.
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