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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: '''2026-05-16: VEMS project cancelled for now. My unit is defective, and i've moved on to a different ECU for this car. I May circle back and get this fixed for a later build, as the product and support is good. :-) ---- 2026-04-24 Introduction: https://cdn.cuoresportivo.no/content/monthly_2024_06/image.png.75ff78a11852acb1fcbc16162829221c.png I have a '72 1300 GT Junior, and mounted a 2000 GTV race engine with 45 Dellortos. Now i'm in the process of installing FAJS ITBs and the following equipment: Trigger: VR primary using standard 60-2 wheel from Alfa 75 TS and a custom sensor mount: https://www.vems.hu/files/PerH/VRSensor.png HALL Secondary trigger using the distriutor (welded the centrifugal advance shut): https://cdn.cuoresportivo.no/content/monthly_2026_04/image.png.b9d24e92d4ea5527d81c9cb444086504.png Other sensors are: TPS, IAT, CLT, Map (VEMS module), and one knock sensor: https://www.vems.hu/files/PerH/KnockSensor.png The VEMS 3.3 was ordered (by a friend of mine, who didn't use it) like this: https://www.vems.hu/files/PerH/OrderSetup.png Ignition is a standard Bosch ignition module running a motorcraft coil (wasted spark). '''This is my wiring list (note the multiple sheets for compartments).''' https://docs.google.com/spreadsheets/d/1WkJJKJcAgj85k8Yi9UjYWuoVEFGESkDZ/edit?usp=sharing&ouid=111245947298559606603&rtpof=true&sd=true ((MembersPage/PerH/VemsWiring)) __________ With everything connected, I verified that '''all sensors except primary trigger was functional'''. '''Problem 1''' (VR Trigger): '''SOLVED''' (solved by "lifting" p259 VCC and soldering it back and now works?) ((MembersPage/PerH/Problem1)) ---- '''Problem 2''' (Relay outputs): '''Workaround''' (re-wired to other channels) ((MembersPage/PerH/Problem2)) ---- '''Problem 3''' (ignition outputs?): '''SOLVED''' ((MembersPage/PerH/Problem3)) ---- '''Initial Startup''' - Setting up with 3-4-2-1 Firing order ((MembersPage/PerH/InitialStartup)) Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.