Parts and wiring diagrams are included in the well-detailed instructions for both warning-light and meter-at-the-dash systems. Converting to a GM alternator (sometimes called a Delcotron si) with ...

GM accomplishes this by wiring the No. 2 (field) wire into either an indicator lamp (see Diagram A) or, ... get the regulator from a 27-SI-series alternator found in trucks and install it in the ...