Im trouble shooting my conversion which is and LY6 with LS7 harness and E38 ECM. The MAF is from a 2007 6.0 truck. Im getting trouble code P0102 MAF Low Circuit. I have researched the pin assignments and I get a discrepancy for the location of the black (GND) and the pink (+12). Voltages were taken key on, engine off.

Do the wires need to be swapped?

If they do, how do I release the wires from the connector?

Thanks.

 

Looks like power and ground are swapped...

Looking at the connector in this photo, A is on the right and it moves to E on the far left: http://www.lsxtune.com/shop/product_...roducts_id/986


A- Maf signal wire
B- +12 ignition
C- ground
D- IAT output to PCM
E- +5 sensor power

To remove the terminals, if you have a purple TPA on the back (looks like a thin purple comb) it needs to come off first, but I can't see for sure if you have one or not in the pic. Then the purple terminal lock in the front needs to come off. Next you insert something tiny into the removal slot while gently pulling on the wire. The small (thin) removal tools on this page are an example: http://www.lsxtune.com/shop/index.php/cPath/111_113

 

Thank you, I will swap them today. The trend in all GM MAFs is the ground is in the center pin, so this makes sense.

 

Thanks Frost, the MAF is now functioning within range and the code is gone. The car runs a little rough and very rich now, maybe because its -6 here. There no coolant in it yet to warm it up but I think it will be fine.

 

-6 WTF....

glad to hear that it's working for ya though

 

With a name like that I thought you would understand. They closed schools due to the temps today. Your nose hairs freeze instantly. Thanks again.