The ground does not matter since the tactrix grounds through your obd2 port anyways. Make sure it is the connector for the tip of the jack (in case you have a 2 lead jack), which is what the tactrix cable reads. It helps if you put a drop of solder on the wire and the connector first. Solder the other end of the wire to the connector on the jack. I got mine from radioshack (“the Source” in Canada where I live) for less than a dollar. Again, this is not the standard 3.5mm headphone jack that most jacks come with. Unfortunately I do not have a pic of the wire crimped to the ecu pin but it is not hard to figure out.Ģ. I had a bit of trial and error finding the right one. It is the top row, the bottom row are the big pins (wrong ones). Expose some bare wire and crimp the wire onto your ecu pin The pins look like this.: The 1 wire is the write wire (“K-line”) that for the engine ecu you would plug into headphone jack like port in your openport 2.0.ġ. 2.5mm Headphone / microphone jack (NOT the standard 3.5mm jack!) You may want to run it behind the dash for style points so add length for that. 18 To 20 gauge wire, anywhere from 3 to 4 feet long as long as it can reach basically to your OBD2 port under the steering column. Evo8 Engine ecu small pins (there is a large pin size and a small pin size) – sourcing these was actually harder than evo9 ecu pins, but use your google-foo. very small (electrian’s) flat head screwdriver So I make this how-to to encourage open source tuning of our ACDs and to make it more accessible to regular people, hope it helps anyone.
As you guys may be aware there are vendors that are now offering to reflash but I think it is easy and cheap to DIY so why go through the hassle of pulling it out.
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