I did add a resistor so I would not get a knock error and A 1k or the orange led in the picture my mil .

i couldlt get the jimstim to to a very good tach signal or the est error to go away so I built my own vss generator and rpm generator. The jimstim was a waste of money for building the jimstim. Im...

Thank you for reminding me I need to work on my test bench. Got quite a bit done cleaning it up and making 2 cables . Still need to tidy things up and rewire my iac leds to tri-color leds and label...

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for c3 and p4 ecm's im using a AC 100V-240V Converter Switching DC 12V 1A Power Supply US 5.5mm x 2.1mm works well. Thanks for the reminder I need to work on my bench ;(

I decided instead of buying a transstim to just build both in one. It cost me $25 to build. I think the transstim is $20 for the board and $15 for the parts from digikey plus shipping. The Jimstim...

So I finally decided to do a upgrade this last week too the jimstim, Full range on rpm to ecm limit and full vss range 1-255 mph. Runs off of ecm 5v reference.