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ms2 v3 no rpm

Posted: Fri Nov 15, 2013 8:53 pm
by 84tpivette
running ms2 v3 board sbc 350 TPI injection wired up to specs.board set up to hei. dont get any rpm during cranking and tunerstudio goes off line. dist is in at 10 btdc rotor line up with tower and the vr is lined up. But i get spark to plugs when its turning over but dont see it in TS. what will it take to do fuel only. i a have vac advance 4 pin hei dist i can put back in car. i know it works cause used on carb setup

Re: ms2 v3 no rpm

Posted: Sat Nov 16, 2013 6:57 am
by 84tpivette
Board is soldered like the following
D1 jumped
D2 jumped
XG1 jumped to XG2
OPTOUT jumped to TSEL
S12C jumped to JS9(+12c) for IAC
JS10 jumped to IGN
TACHSELECT jumped to OPTOIN
no C30 or C12

Re: ms2 v3 no rpm

Posted: Mon Nov 18, 2013 7:22 am
by Matt Cramer
Does it get RPM correctly on a Stim?

Any chance the 12 volt power is from a source that's hot in Start but not Run?

Re: ms2 v3 no rpm

Posted: Mon Nov 18, 2013 2:45 pm
by 84tpivette
No on the stim did the same turn the rpm knob and made ecu go offline. Power is on to ecu in all key locations. If I unplug in input pin #24 and the spark output A ecu don't go offline

Re: ms2 v3 no rpm

Posted: Mon Nov 18, 2013 7:50 pm
by 84tpivette
Going to add the following mods to see if help

V3.0 board

http://www.msextra.com/doc/ms2extra/MS2 ... htm#wiring