skewed sensor readings

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tiff
MegaSquirt Newbie
Posts: 10
Joined: Mon May 25, 2009 4:36 pm

Re: skewed sensor readings

Post by tiff »

hi i made a data log showing my rpm signal dropping out . my signal comes out of my ignition module on to pin 30 optin+. then i changed it to my coil negative and datalogged that [worse]. then i changed it back to ignition module tach lead now i dont get a rpm signal in tunerstudio at all. i disconnected the ecu and checked at the ampseal connector with my multimeter and the signal is there cranking??? any thoughts???
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