MAF sensor wiring - Alfa Romeo Forum
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MAF sensor wiring

Hi guys, could any any help me with a basic wiring question, there are 4 wires leading into the plug that connects to the MAF sensor, I'm told 2 of the wires are electrical, and 2 are communication wires. I need to locate the communication wires, so does anyone know what colour wires are the electrical, and which are the communication? it would just save me borrowing a electric tester if anyone knew, Thanks in advance
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colours , electrical , maf , sensor , wiring

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