z32 maf wiring

[str_motorsport]

mates i was looking on how to fit a z32 maf to my gti-r and foud different ideas...especially for the ground.
here i found that info
http://www.sr20development.com/LIBRARY/Z32-MAF.PDF
pins C and D need to be connected toghether to the earth on the wiring loom.
but here i found that info
Wiring Chart for those with stock Z32 connector:

Z32 MAF Pin - SR20DET Stock Engine Harness

Pin B - White Wire (MAF Signal)

Pin C - Chassis Ground (Connect this to any ground on the chassis)

Pin D - Black Wire (Harness Ground)

Pin E - Black/White Wire (Power)

http://www.zeroyon.com/pics/installs/inectorsMAF/550Z32-2.html
which is the rigth way?
don't want to damage my z32 maf...

 

[GINGA]

Or you could use the how to fit a z32 maf thats in the how to guides section

 

[str_motorsport]

i looked at them and the first method is taken from the how to section...