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Type: Posts; User: RBob

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  1. Replies
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    The '7747 wiring is very close to the EBL ECM....

    The '7747 wiring is very close to the EBL ECM. The Information Help document included with the EBL system has the pin out. Can also hit our site for full wiring diagrams, under the Information drop...
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    The 3-wire pigtail that goes into the ECM...

    The 3-wire pigtail that goes into the ECM connectors? We sell them at $5 plus shipping. The mini-plug to USB cable is $25, and is an off-the-shelf FTDI product. Their part number is on the USB end.
    ...
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    There isn't much difference from a factory...

    There isn't much difference from a factory calibration. It is just that nearly every calibration entry is defined in the EBL ECMs.



    PRP is for proportional gains. See the Calibration Help...
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    Yes, need a relay. This is the same way that GM...

    Yes, need a relay. This is the same way that GM did it:

    http://dynamicefi.com/EBL_Drawings_Images/3of4.jpg

    Which is part of this page:

    http://dynamicefi.com/EBL_Drawings.php

    RBob.
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    Use an L05 BIN to start with and set up the TCC...

    Use an L05 BIN to start with and set up the TCC tables for the TH400 kickdown. Can easily copy them from another BIN that supports the kickdown. On our site the end of the Intro to Tuning part 2 page...
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    What six-shooter said. The ECM REF+ input is a 5V...

    What six-shooter said. The ECM REF+ input is a 5V digital signal. Be sure to run a ground to the REF- input of the ECM (pin B3). This ground should originate at the same location as the Hall Effect...
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    Recall that the serial data at the ECM is 5V...

    Recall that the serial data at the ECM is 5V (TTL), don't go anywhere near 12V or it will pop the port on the micro-controllers.

    D10 is RX to the EBL ECM
    D11 is TX from the EBL ECM
    D12 is ground...
  8. You are correct, they should not be shorted...

    You are correct, they should not be shorted together. Remove the short and see if that does the trick.

    RBob.
  9. Thread: 7730 Pin-out

    by RBob
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    That wire appears to be on pin E1. ...

    That wire appears to be on pin E1.

    http://dynamicefi.com/ADC_Connect.php

    RBob.
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    You got mail! RBob.

    You got mail!

    RBob.
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    That won't work with the SW speedometer, as the...

    That won't work with the SW speedometer, as the lowest it requires is 3K PPM.

    You may be able to use a Dakota Digital SGI-5 box to bump the VSS PPM signal to a higher value. And feed the SW...
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    The typical PPM for TBI setups is 2K PPM. The VSS...

    The typical PPM for TBI setups is 2K PPM. The VSS input to the ECM is on A10, it is a digital signal that swings from 0 to 12 volts. So that part is OK.

    If the vehicle has a magnetic VSS, that is...
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    Hi, which EBL Flash system do you have? And what...

    Hi, which EBL Flash system do you have? And what type of input does the SW speedometer require? The VSS input/output varies among the systems.

    Odds are you can.

    RBob.
  14. Thread: Found my problem?

    by RBob
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    Good possibility that was the issue. The engine...

    Good possibility that was the issue. The engine would always have been under heavy load.

    RBob.
  15. Thread: SB with 2” TBI

    by RBob
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    Most of the TBI ECMs auto zero the TPS. Which is...

    Most of the TBI ECMs auto zero the TPS. Which is why they are non-adjustable. Anywhere between .4 and .8 volts works.

    I shoot for 5 - 10 IAC steps on a warm engine with no other loads. This has...
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    Correct, the EBL Flash won't support the E...

    Correct, the EBL Flash won't support the E transmission. Need to retain it for that job and add in the EBL Flash to run the engine.



    Not sure what you are asking here. The EBL systems have...
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    It is what we want to do next. BobR.

    It is what we want to do next.

    BobR.
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    We have nothing that will allow the '7427 PCM to...

    We have nothing that will allow the '7427 PCM to run with boost.

    In the case of your truck what is done is to run both an EBL Flash ECM and the '7427 PCM. The '7427 PCM stays to run the...
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    The VSS PPM is the same between the '90-'92 MPFI...

    The VSS PPM is the same between the '90-'92 MPFI cars and the '90-'92 TPI cars.

    RBob.
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    Flash Based GM ECM Products

    Just a quick post. The Dynamic EFI products use a stock GM ECM. However, there is better firmware, data logging, and analysis features. If you want or need OEM capability to pass smog, or just want a...
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    Naww, for years on end they always forget to...

    Naww, for years on end they always forget to renew their domain name. Give it a few days to return...

    As for hosting in entirety, a large portion of the site has already been lost. No matter, the...
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