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Was about to take car out and do some street tuning on the wifes car and noticed LS7 maf is not reading any Hz. It is reading intake temp. Am I missing anything, it has ground, 12v, 5v, then 2 other wires i did not read 1 for low reference and 1 for intake temp. Wire kit I used was
Did it work before and it doesn't now? Are you setting any diagnostic codes?
Here are the pinouts for the LS7/LS3 blade type MAF.
Pin Circuit No. Function
A 492 MAF Sensor Signal
B 451 Ground
C 539 Ignition 1 Voltage
D 2760 Low Reference
E 472 IAT Sensor Signal
Originally Posted by zapp109
Was about to take car out and do some street tuning on the wifes car and noticed LS7 maf is not reading any Hz. It is reading intake temp. Am I missing anything, it has ground, 12v, 5v, then 2 other wires i did not read 1 for low reference and 1 for intake temp. Wire kit I used was
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LS7 MAF no Hz 
