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Thread: V4 Build 64 To Build 110

  1. #1

    Default V4 Build 64 To Build 110

    This is a new ECU. New install. I'm a first time user. I got the ECU & harness installed. I connected to the ECU with the USB to my laptop. The program prompted me to send my file to the ECU by doing that comparison of what's in the computer vs whats in the ECU. After that, my fuel pump primed, my fans kicked on & off. Things were happening. I started getting a message that my build version was wrong. I think it said I had build 64 and I needed 84? I went to the Holley website and found build 110. I saved my Global File. I loaded build 110. Now I can't get past the error messages of some timeout. My pumps don't prime anymore and my fans don't kick on anymore. What do I do next?

  2. #2
    Join Date
    Dec 2009
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    Connecticut
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    20,148

    Default

    Quote Originally Posted by 1idjak View Post
    I started getting a message that my build version was wrong. I think it said I had build 64 and I needed 84? I went to the Holley website and found build 110. I saved my Global File. I loaded build 110.
    The EFI (laptop) software, ECU firmware & touchscreen unit (if applicable) must all be V4 compatible (LINK).
    http://forums.holley.com/showthread....5760#post45760 (Determining EFI Software/ECU Firmware Versions)

    Now I can't get past the error messages of some timeout. My pumps don't prime anymore and my fans don't kick on anymore. What do I do next?
    This seems like there isn't a Global File uploaded into the ECU.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  3. #3

    Default

    The link that shows me how to determine my EFI software & ECU firmware, using the Help button and the "About Holley". It needs a internet connection, right? I don’t have internet in the shop. I came in & downloaded the latest EFI software from Holley onto my laptop. Went out to the shop and did the update. Now it times out RTC every time. How can I load a Global File if I’m getting timed out?

  4. #4
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    20,148

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    An internet connection is not required to connect your laptop live with the ECU.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  5. #5

    Default

    Can you tune two different Holley ECUs with the same laptop?

  6. #6

    Default

    Yes, no limit.

  7. #7
    Join Date
    Dec 2009
    Location
    Connecticut
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    Yes, select "Get From ECU", as opposed to "Send To ECU".
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  8. #8

    Default

    My switched +12V was flickering intermittently. The ECU was turning off & on. No +12V, no sync. Problem solved.

  9. #9
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    20,148

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    Thanks for the update. I'm glad you fixed it.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: Dominator MPFI & DIS, A/C, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/X-pipe/shorty headers, 100HP progressive dry direct-port NOS, 160A 3G alternator, Optima Red battery, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

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