Quote:
Originally Posted by MilzyZ34
sounds like BS to me. The DLC (Data Link Connector) has 4 wires going to it ... one 12v power wire, two grounds, and one serial data wire. Sometimes it also has a 5th green wire, but I've never seen one with a grey 5v reference wire for it.
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Serial data communication wire should have an average of 2.5V (aprox) on it. It's a 5v circuit.