C.E. Niehoff & Co. A2-321/A2-322 Regulator with Extended Harness Troubleshooting Guides - Manual (Page 2)

TG0038A
Page 2 of 2
C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633
Mating connector included
with harness
➛ Harness includes 20 A slow-blow fuse
(Bussman MDA20 or equiv.)
in each fuse holder
➛
➛
Orange wire from REG/IGN source to pin A
in 2-pin connector
Red wire to NO-CHARGE input into pin B in 2-pin
connector
White wire from pin B
(D+ Multiplex input)
in 2-pin connector
to D+ terminal on regulator—
torque to 4.5 Nm/40 lb. in.
Green wire from
pin A (IGN source)
in 2-pin connector
to IGN terminal on regulator—
torque to 4.5 Nm/40 lb. in.
➛
➛
Two lengths available —
Approx. 72 in. or 88 in.
4 places—1/4-20 screws and
lockwashers (provided)
torque to 8.5 Nm/75 lb. in.
➛ 4 places—#10-32 screws
torque to 8.5 Nm/75 lb. in.
➛
Figure 2 – A2-321 Regulator Remote Mount with Extended Alternator Wiring Harness (Two Lengths)
➛ P terminal on
regulator is not
used in Gillig
applications
Diagnostic LED
➛
C703/C703A
Alternator-to-Regulator
Harness Plug
CONNECTIONS
A F–
B Phase
C B–
D B+
E D+
F F+
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