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Old 06-03-2013, 07:58 PM   #1
captain E34
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Join Date: Feb 2012
Location: Ottawa
Posts: 873
M50b20 nv 6 pin maf conversion help :(

hey guys, im in the middle of swapping out my tiny 2.75 6 pin maf in my 520 for a 3.5 4 pin maf from a 540,

I started with wiring up the wires the same way as the 540 but obviously having the 6 pin (which only has 5 pins being used) I have a left over wire,

I have 12 v power and the main ground hooked up but now im left with three wires on the dme side and 2 on the maf side....

is this combination not compatible at all or do I need to do some wire running to the dme?
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