Slater
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| posted on 11/6/25 at 11:13 AM |
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Megajolt software download help
Hi I am not able to download the following two software/firmware from Autosports Labs website due to work laptop security blocking it, and my home
desktop has similar issue! Can someone put them into a drop box folder for me please? Or is there another way to get them onto my laptop?
https://wiki.autosportlabs.com/MJLJ_V3_Downloads
Configuration Software
PC Configuration/Tuning software, version 3.2.1 (May require controller firmware upgrade)
Controller Firmware
Controller Firmware, version 3.2.1 (right-click / save)
Why do they call Port Harcourt "The Garden City"?...... Becauase they can't spell Stramash.
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gremlin1234
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| posted on 11/6/25 at 12:38 PM |
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try:
mjljConfig_v3.2.1.exe
https://drive.proton.me/urls/XWQC1TA8F0#60CoAHYRBEn3
and
mjlJunior_V3.2.1.s19
https://drive.proton.me/urls/CCWQPT895C#4m6rcThUzqFM
if these don't work I can zip them, and resend
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Slater
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| posted on 11/6/25 at 08:08 PM |
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Thanks Gremlin1234, I can download them, but the exe file turns into "Unconfirmed 27442.crdownload", and I get the message:
mjljConfig_V3.2.1.eve is not commonly downloaded, make sure you trust mjljConfig_v3.2.1.exe before opening
How do I do that?
Why do they call Port Harcourt "The Garden City"?...... Becauase they can't spell Stramash.
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Slater
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| posted on 12/6/25 at 10:08 AM |
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update: I've managed to download the exe file on laptop, zip it, transfer to home desktop via dropbox and install the megajolt software. So my
next step is to move desktop into garage (when my wife isn't looking) and use the new USB to serial cable to connect to the wee box in the car.
My work laptop won't allow the cable software to run, arrgh, why is it so complicated!
Why do they call Port Harcourt "The Garden City"?...... Becauase they can't spell Stramash.
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SteveWalker
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| posted on 12/6/25 at 01:32 PM |
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Rather than all the hassle, I'd have just picked up a Windows 10 laptop for £25 to £40 on Facebook Marketplace. Handy for setting up, testing,
future adjustments, etc.
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Slater
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| posted on 13/6/25 at 01:05 PM |
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update, connected our desktop via the new USB to serial RS-232 cable to the MJLJ box in the car but no joy, the computer and MJLJ box are not
speaking to each other. Not sure if it's the cable or the box serial port. Anyway the car run fine, really well in fact. Just that my MOT guy
says it could do with some attention to pass the MOT emissions next time (3.5% CO and 0.12 HC).
I might use this place below in Warminster as they can deal with bike carbs and check if they have a way of connecting to MJLJ.
https://www.lloydspecialistdevelopments.co.uk/
Or I buy an old laptop with serial port, CD drive and try using the original software CD and serial cable from 2009.
Why do they call Port Harcourt "The Garden City"?...... Becauase they can't spell Stramash.
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obfripper
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| posted on 13/6/25 at 05:46 PM |
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I have had similar issues with my bluetooth serial adaptor, I had condensation damage to the original adaptor over the winter, so bought an identical
new one and could not get it to work with the megasquirt, but would work fine with the pc.
Turns out that the new adaptor was wired with the rx/tx lines swapped around, and my PC serial lead was a null modem one which swapped those two lines
back again which i had forgotten about doing for something else which made the adaptor seem to work fine on the pc.
Paired up the rx/tx lines correctly on the megasquirt and all is well.
If you want to test the adaptor, just connect rs232 pins 2&3 together and the use a terminal program set for the configured baud rate etc, Google
loopback test for more info. Everything you type should be echoed on the terminal window if it is working OK.
Dave
[Edited on 13/6/25 by obfripper]
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SteveWalker
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| posted on 13/6/25 at 10:44 PM |
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Some USB/RS232 adaptors definitely don't work with Megasquirt and so may not with Megajolt. A Google search should identify the ones that work.
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