HEI signal polarity on pin R

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m
MegaSquirt Newbie
Posts: 5
Joined: Sun Jul 25, 2004 10:52 am

HEI signal polarity on pin R

Post by m »

hi

I was wondering what does a 7 pin HEI module have for signal that comes from the pin R? is´t + or - ?

m
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Bernard Fife
Super Squirter
Posts: 1009
Joined: Mon Feb 16, 2004 3:15 pm

Post by Bernard Fife »

m,

It is a + square wave, between 2.8 an 5 Volts (depending on the module).

Image

There's more on this here: http://www.megamanual.com/ms2/GM_7pinHEI.htm

Lance.
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m
MegaSquirt Newbie
Posts: 5
Joined: Sun Jul 25, 2004 10:52 am

Post by m »

thanks Lance
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