[Gmecm] 16197427 VSS inputs

terry tl34ru
Thu Feb 16 02:01:24 UTC 2006


F12 is used for trans shift points and f13 is for the
pcm stuff fuel cutoff etc. both if these circuits come
from the speed buffer or drac. Look up code 72 in a
sevice manual.
Terry

--- Craig Smith <kc5aeq at earthlink.net> wrote:

> What is the difference between the vehicle speed
> inputs on pins F12 and F13 on the 16197427.  I am
> upgrading to a 4l60e in my 81 Corvette, that is
> runing a  700r4 TBI with 747 ecm.  I'm looking to
> run the mechanical spedo gear and VSS on the spedo
> head to retain cruise etc.  
> 
> Thanks
> Craig Smith
> 
> 
> 
> 
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