Hey guys,
Recently completed the internally regulated alternator swap on my 76 280z. I utilized a brand-new alternator from a 1983 280zx NA. I followed the directions from atlanticz, specifically the part for the 1976.
The issue I am having is the alternator will not start charging the battery until I rev the engine over 3.5k. Once I do, it maintains a constant 13.8+ and works perfectly. I began testing and noticed the bottom plug to the "T connector" has zero reading at all times, including in the ON position when it should have 12v. I believe this is called the "L" connection. From what I believe I have gathered from searching, this is some-how tied to charging lamp, but also the excite for the alternator to start charging? If so, I have removed all stock gauges and went with speedhut gauges. Is it possible that the lack of a charging light is causing a break in the connection and causing this issue? if so, any suggestions how to work around this? Thanks so much!
p.s..The new gauges also eliminate the parking break indicator, so I just cut the yellow wire under the passenger seat to solve the battery drain issue that is specific to the 76.