GM MAP pinouts?

[Jeff Webb]

Will,

I don't know about your particular model, but the ones I have are
labeled as A, B, and C.

Look at:

  http://www.diy-efi.org/gmecm/component_info/sensors.html

This states that

  Pin A -- Ground 
  Pin B -- Sensor output 
  Pin C -- +5 volts 

Jeff Webb


Will Reeve wrote:
> 
> Hi all,
> I have acquired a GM MAP sensor for some diy manifold pressure measurements,
> it's a three pin device with the numbers 3372, S97101 on it. Most web pages
> say the pinouts are 5v, Signal, 0v. There is an identifying polarisation lug
> next to one of the end pins, does anyone know if this pin is 5v or 0v? Or
> are there any measurements I can make to distinguish the 0v and 5v pins?
> 
> Will
> 
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