[Trackrash]

Originally Posted by nagromike911

Hi Everyone. I've not been very good at posting things, just receiving help from all you experts. I'll try to do better in the future.

Anyway, had some issues with my recent rebuild of my 3.2 and wanted to see those sensor pulses and coil output from the DME. I found this handy dandy scope online, called a DSO 138 and for as little as $20. I paid $30 and it was already all soldered up on the board and all I had to do was build the case (supplied). Be careful if you buy the kit as it's tricky to solder those surface mount components; I'd pay the extra and get one already built.

But just amazing that a color, digital, storage scope can be had for this much money. Small screen I know (2.4") but still. I just saw one on a popular bidding site for less than $4.

Sorry about the picture quality

Mike

Awesome info.

OK, I can see this getting into a diagnostic thread. Which is great IMO.

So the question is, how are you measuring the ignition trigger signal. I thought the ground was interrupted in the ECU to create the pulse. What connections to the ECU/coil wires did you make?