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Thread: Hp tuners MPVI2 with AEM Wideband 30-0334

  1. #1
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    Hp tuners MPVI2 with AEM Wideband 30-0334

    How do I use the serial port with this wide band? Needing to tune a gen 3 ecu.

    Brand new to wide bands so go easy. The gentleman I would usually ask passed away earlier this year. Rest his soul. Greatest tuner around. Ed Morton. Could some assist me?

  2. #2
    That AEM unit doesn't actually have a serial port on it. What you'll need to do is get a HP prolink and wire one of the analog inputs to the gauge and ground. You'll also need the pro feature set for all this to work

  3. #3
    Tuning Addict 5FDP's Avatar
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    Or wire the wideband into a 5v circuit on the computer like a lot of people do. Most use the EGR circuit and create a custom channel to log it.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

  4. #4
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    Ok. I have the pro link.

  5. #5
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    Use the 5v analog +/-

    Look in the directions youll need two pins to wire it in.
    1997 30th SS. Torqhead 24x, TFS heads, 234/244 cam, 4l80e, Dana 60.

  6. #6
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    So it?s an analog signal? The whole reason I bought this wide band is because it says it works with serial.

  7. #7
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    Dang man. The whole reason I bought this is because it said serial rs-232 output

  8. #8
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    My apologies, blue wire is serial out
    1997 30th SS. Torqhead 24x, TFS heads, 234/244 cam, 4l80e, Dana 60.

  9. #9
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    After reading, I learned it does have serial output which connects to the analog 2 wire on the pro link from the gauge but the gauge takes a very special connector pin that is not included with the kit. What in the world ?

  10. #10
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    To populate optional extras, use P/N: SPUD-001T-P0.5 terminals for 22-26 AWG wire.
    1997 30th SS. Torqhead 24x, TFS heads, 234/244 cam, 4l80e, Dana 60.

  11. #11
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    I saw that but where am I supposed to get something like that?? I saw a guy re-pin it and snip the obd2 connector off but I?d like to have the option of either serial or obd. Trying to find something around the house with those pins in it haha

  12. #12
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    That's what i did bc i dont have any vehicles that can use it. Youll most likely have to order online.
    1997 30th SS. Torqhead 24x, TFS heads, 234/244 cam, 4l80e, Dana 60.

  13. #13
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    I bought 100 of those pins recently, and it was cheap for the pins but shipping was a little expensive. The place that has them is Digi-Key. Part number is 455-2518-1-ND

  14. #14
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    Possible solution.

    I just finished a new firmware mod for the 30-0334 that makes the serial data line usable. It increases the polling interval to 20ms and, adds an extra full digit of resolution. If you want to send you gauge in for a re-flash, i'll throw in a few of the connector pins; so you can add all of the function wires to the harness.