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  1. xDan

    Radio upgrade?

    Which one did you get? Did you have to get a wheel control module like the maestro?
  2. xDan

    How can the odometer be changed from displaying kilometers back to miles and vice versa?

    If I had a steering wheel with controls connected to the harness in the Tahoe, would that work or would I need a different BCM?
  3. xDan

    How can the odometer be changed from displaying kilometers back to miles and vice versa?

    I have a tech 2. I was in the BCM menus and found the instrument panel sub menu, from what I can see you can test most things and get displayed vs sensor readings from the ECU, can see the lag time in real time, turn on all dummy lights. I can view instrument cluster reported transmission temp...
  4. xDan

    How can the odometer be changed from displaying kilometers back to miles and vice versa?

    The vehicle in question is an '05 Avalanche with steering wheel controls. The other one is an '03 Tahoe LS without steering wheel controls. Is there any way to change that one?
  5. xDan

    How can the odometer be changed from displaying kilometers back to miles and vice versa?

    A previous owner changed it and I want to switch it back, what is the best way to do it?
  6. xDan

    Np 246 pinout?

    Oh yea. NGL, I'm worried about that.
  7. xDan

    Np 246 pinout?

    It looks like the encoder sensor is just fine, same with the motor, but all three gears are damaged.
  8. xDan

    Np 246 pinout?

    Internal photos of the encoder:
  9. xDan

    Np 246 pinout?

    Alright! The encoder motor I bought from Amazon was only $106 all in. That fixed it. I'm pretty sure the encoder I removed was from a junk yard, as all the external screws were painted pink. I also took photos of the encoder return voltages after the new one was in. More photos in the next reply.
  10. xDan

    Np 246 pinout?

    Oh yea I saw the speed sensor data, all zeros.
  11. xDan

    Np 246 pinout?

    Interesting. I think I'm going to go over the disconnected harness, including output shaft and front speed sensor harnesses. Oh ok, gotcha. Have you tested the speed sensors before, or changed them? I'm waiting on a new encoder motor to get here and my garage is full...and the weather is bad so...
  12. xDan

    Np 246 pinout?

    I found a good writeup on the avalanche forums, the motor lock circuit, when de-energized (disabled in tech 2) actually LOCKS the encoder motor in it's current gear selection. When showing ENABLED in the tech 2, that energizes the circuit and the lock is turned OFF. Only during gear change...
  13. xDan

    Np 246 pinout?

    Yea. The 2003-2006 is unique, but mostly similar to the previous iteration, in functionality. NBS is 5V ref. and has motor A/B simplified control vs the older system. I'm ordering an encoder motor assembly...if that fixes it, I may tear down my old one to maybe figure out the differences.
  14. xDan

    Np 246 pinout?

    Hmm, some colors are sure to match up, or that is at the TCCM? At the encoder motor on the tcase, it's an 8 pin connector utilizing 7 pins. RED, ORANGE, TAN and BLACK are 12 or 14 gauge, with a dark blue/white, brown/white and green/black 20 gauge wires. The connector pins and wires coming off...
  15. xDan

    Np 246 pinout?

    Hey does anyone have the encoder motor pinout for the 246? 2003 if year matters. My tccm doesn't throw codes, the pushbutton control responds to shift requests, which is also evident on the tech 2 data page. Shees stuck in 4hi, and the only mode it goes to is 4wd auto, but the SUV always starts...
  16. xDan

    5.3 starter issue, and parasitic battery drain.

    Just putting the key in and switching to accessory is dropping voltage down to 9.5V, to run drops it down to 8.9V and to start it goes down to 5V. I thought I found something to do with IGN B, but I insert the key and sometimes get a voltage drop from 12.6V to 10V but it's momentary drop.
  17. xDan

    5.3 starter issue, and parasitic battery drain.

    I did a lot more circuit testing today. With the battery charged at 12.8V, only a couple circuits were drawing power: SUV locked, unarmed, no key in: Engine compartment fuses: IPC/DIC (10A)= 2.0mV= 270mA Radio (15A)= 0,1mV= 22mA No instrument panel fuses or anything else was drawing power. The...
  18. xDan

    5.3 starter issue, and parasitic battery drain.

    Wow. I've never noticed those, ever. They are on regular blade, m-axi fuses too. I've got a chart but it doesn't have glass tube fuses. I've rarely needed to check voltage drop over multiple circuits before so I've only been watching battery voltage drop and amperage bridging with fuse pulling...
  19. xDan

    5.3 starter issue, and parasitic battery drain.

    I'll have to see. I don't have electrical probes that get to the mini fuses well, so I've been using some 0.040 lockwire, making sure I'm not touching one lead. What works well for probing those fuses? It's not the most consistent dmm at 2Vdc setting, waving the leads around causes voltage...
  20. xDan

    5.3 starter issue, and parasitic battery drain.

    The battery left for two days settles in at 12.7V. it's probably fine. The one I removed drops to 12.5V after a day... Probably on its way out. I had the starter solenoid replaced by a starter and alternator shop, but the original didn't have a problem engaging the starter motor contacts and...
  21. xDan

    5.3 starter issue, and parasitic battery drain.

    I left the battery disconnected after a full 10 amp recharge over night, if it's voltage is below 12.85, I'm returning it.
  22. xDan

    5.3 starter issue, and parasitic battery drain.

    Without the key even in the ignition, voltage is dropping as if something like the starter is loading it. Because I don't have that inverted torx for the solenoid removal, I brought the starter to a local shop this morning. The ground to the engine block looks solid if a little oily. I'll give...
  23. xDan

    5.3 starter issue, and parasitic battery drain.

    Well.. I cleaned the starter and tested it, gear pops out and spins up, teeth in good shape. I inspected and tested the power cable to the starter, no connection to ground and has 0.5 ohms resistance to the battery. Battery terminals are also just fine. I pulled the fuses to the xenon headlights...
  24. xDan

    5.3 starter issue, and parasitic battery drain.

    So I've got a 2003 4x4 with a 5.3. lately I've had some battery drain problems. I connected my multimeter to test amperage draw. I turned on the interior light door disable switch but when either front door is opened or closed, for 20 seconds it will show 270 to 450 mA draw, then drops to a...
  25. xDan

    Front HVAC blower not working

    The heat and HVAC dampers are working, no fuses are burnt out. Going from off to any speed and I can hear a very quiet click from the passenger side, like a relay under the dash is operating but no blower motor at all. I'm thinking it could be a relay or the blower motor itself is broken. Anyone...

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