trwebb26 Posted May 22, 2006 Share Posted May 22, 2006 The install guide tells you: "You got it set to about 50 or 60 BTDC, now loosen the distributor and turn it by hand with MSnS powered on until you see the middle LED come on." The middle light on my MS does not come on. What makes the middle light turn on? What should I be looking for? I'm all wired up ready to go... just need a little more help. Quote Link to comment Share on other sites More sharing options...
mobythevan Posted May 22, 2006 Share Posted May 22, 2006 when you are rotating the dizzy by hand you are causing the optical disc of the CAS to pass through the light beam in the dizzy, that is what triggers the megasquirt and causes the center LED to come on. Quote Link to comment Share on other sites More sharing options...
trwebb26 Posted May 23, 2006 Author Share Posted May 23, 2006 No center light for me... I checked the wiring up to the dizzy and it looks fine... 12V on the B/W... ~4V on the B/G... but no light on the megasquirt. any troubleshooting tips? Quote Link to comment Share on other sites More sharing options...
HB280ZT Posted May 23, 2006 Share Posted May 23, 2006 The trick that I used was to remove the cap, rotor and the metal cover on the distributor and look at the 6 inner slots. If you are not rotating over one of the slots you will never get a trigger. I hope this helps some. HB280ZT Quote Link to comment Share on other sites More sharing options...
trwebb26 Posted May 23, 2006 Author Share Posted May 23, 2006 Ok... I took the cap off and was rotating the dizzy around the mark - all of the sudden a HUGE spark jumped from the cap (laying nearby) to my arm and about made me piss myself. It also sounds like some injectors are clicking. Even with all of this activity... I still don't have the middle LED coming on. I am running a V3.0 board if it matters. I think the spark of death was a good sign, but I still am not sure if my MS is hooked up correctly because I'm not getting the middle LED. Help pleez. Quote Link to comment Share on other sites More sharing options...
HB280ZT Posted May 23, 2006 Share Posted May 23, 2006 Well for starts disconnect the trigger wire to your coil so you do not shock yourself again. Oh yea cover the wire so it does not ground out. Now how do you have your LED's set up? Mine are setup this way! LED 17 Spark output A LED 18 IRQ trigger LED Acceleration This information is under Basic Settings, codebase and outputs funtions on my MegaTune 2.25 running code 29q2. When I rotate my distributor I would get an LED 18 and the fuel pump would prime. That is how I figured out that my timing was correct. Also I marked my harmonic balancer by putting tape on the damper and marking the first 30 degrees and then moving the 30 degree mark to 0 and then marking the next 30 degrees. This will work all the way around the dampener if you need to do this. Hope this helps. HB280ZT Quote Link to comment Share on other sites More sharing options...
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