Wiring Light Sensor Diagram - Nov 12, 2007 · Yeah, I can identify most of the mess by looking at it, but that's a real PITA to deal with if you are not used to G body wiring. The red,black,green wire (3 grouped together) is the VSS signal sensor ( bolts to the back of the speedo by the speedo cable), the white and orange wires paired together are the interior lighting wires, the purple wire with the big black connector may be the rear. This is a 73 page complete factory wiring diagram set for the Peterbilt 387 built after Oct 14 2001: Each page is 16 x 24 inches. Systems Covered:. Links to pages maintained by other people: EEC IV Technical Documentation, from allfordmustangs.com A most read guide to the inner workings of the EEC IV PCM. MAF Theory and Facts, from allfordmustangs.com Here are some facts and information to help you better understand the use and function of the MAF system..
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