C.E. Niehoff & Co. N1211, N1211-2, N1211-4, N1211-5 Installation
.
N1211, N1211-2, N1211-4, N1211-5 Alternators
C. E. Niehoff & Co
BRUSHLESS ALTERNATORS
Make alternator connections as shown
on this page.
See page 2 for
regulator connections.
with N3106 Regulator (N1211-2)
or N3116 Regulator (N1211-4)
or N3121 Regulator (N1211-5)
Installation Instructions
Positive Terminal on alternator
Washer
➛
➛
Figure 1a - Positive Terminal Connections
Fuselink
➛
➛
Terminal on
Vehicle “B+” lead
➛
Insulator
Washer
➛
Lockwasher
➛
Nut, .3750-16;
1.69 Nm / 15 lb.in.
torque to
➛
➛
Figure 1- Alternator (shown with regulator)
➛
Terminal on
vehicle ground lead
Figure 1b - Ground T erminal Connections
Ground Terminal
on alternator
➛
➛
➛
Washer
Lockwasher
➛
Nut, .3125-18 UNC-2A;
torque to 1.13 Nm / 10 lb.in.
II0046APage 1 of 2
Make regulator connections as shown on this page.
See page 1 for alternator connections.
#10-32 UNF-2A Screws -
Torque to 3.4 Nm/30 lb. in.
“ENERGIZE” T erminal
➛
➛
➛
“AC” Terminal
Alternator-to-Regulator
Harness Receptacle
Figure 2 - N31 16 Regulator Wiring Connections
(also for N121 1-4)
➛
➛
0.2500-28 UNF-2A Screw Torque to 8.5 Nm/75 lb. in.
Figure 3 - N3121 Regulator Wiring Connections
“ENERGIZE” T erminal
➛
➛
➛
“AC” Terminal
➛
Alternator-to-Regulator
Harness Receptacle
(also for N121 1-5)
0.2500-28 UNF-2A Screw Torque to 8.5 Nm/75 lb. in.
If this ignition lead (568)
is provided, remove it
and install supplied
connector cap to
lead connector
(568A) as shown
to prevent exposure
to environment
Connector cap
Vehicle harness
C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633
Regulator - “AC” T erminal
➛
Figure 4 - N3106 Regulator Wiring Connections (also for N121 1-2)
Regulator
connector
➛
568A
5A
➛
2A
➛
568
➛
➛
➛
➛
➛
➛
Boots
➛
➛
Washer
➛
#10-32 UNF-2A Screws -
➛
Torque to 3.4 Nm/30 lb. in.
➛
Regulator - “ENERGIZE” Terminal
Washer
Locknut, #10-24;
torque to 2.3 Nm / 20 lb.in.
Nut, 0.2500 - 20;
torque to 2.8 Nm / 25 lb.in.
II0046APage 2 of 2
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