C.E. Niehoff & Co. N1387-1/EPM Troubleshooting Guides User Manual

Page 3

background image

Page 3

TG0019A

Figure 2 — N1387-1 Alternator with N3225 Regulator

Figure 1 — N1387-1 Alternator and N3225 Regulator Terminals

Section 2: Wiring

N3225

REGULATOR

14 V B+ terminal

28 V B+

terminal

T

T

T

T

T

14 V

AC

IGN

AC terminal

T T T T T

IGN terminal

T T T T T

14 V

28V

T T T T T

Regulator

diagnostic

LEDs

B–

terminal

TTTTT

TTTTT

J1939

CONN