spotfitz Posted July 6, 2002 Share Posted July 6, 2002 I just got done putting a GM 1 wire alternator on my 2.8L and checked the voltage and everything is great. I can even notice a difference in idle. I also took pics as I went for future write ups, like we need another for this conversion. I think the 260 is the bastard year, which is why I am documenting it. What I need to do now is make the change from amp to volt gauge and remove the shunt which is one of the last things I need to remove to finish up my engine bay clean up for future rebuilt 2.8L motor and eventual V8. I'll be looking for a 280 voltmeter to replace the one in my 260.(anyone?) What do I need to do to the wires to make the conversion? These wires are the two that are the "T" plug-in on the back of the alternator and the four wires going to the shunt. Two of the wires that go into and out of the shunt are the 12 gauge white/red stripe wire which is the output of the alternator(just connect them?). If this is so then I hook up the lamp and signal wires("T" connection) to the output stud on the alt. and just remove the shunt and connect the 12 gauge wires and the 16 gauge wires to their respected sizes. Follow me? Is this right? Any help would be most welcomed. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted July 6, 2002 Share Posted July 6, 2002 i'm not exactly sure on the 260, but on my 240 i just connected the two leads that went to the ammeter to complete that circuit.Then wired the autometer to the alt. Quote Link to comment Share on other sites More sharing options...
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