Just installed my 42lb injectors this evening waiting on my procharger kit, went to hook up the pro-m blow-thru mass air meter and the factory plug doesn't fit the new meter. The meter comes with a plug that has 4 leads off of it to splice into the factory harness. I have the diagram for the pro-m side of the plug, I need to know what to hook it to on the factory side of the harness. What color on represents what on the factory side?