Ce-niehoff-co 6-Pin Connector Extended Wiring Harness W

II0146A

Page 1 of 1

Extended Wiring Harness

with Round 6-Pin Connectors

Installation Instructions

for Remote-Mounted Commercial Regulators

1. When required, install adapter plate CEN Part No. A9-490 at remote location as indicated by bus

manufacturer.

2. Before installing regulator, make sure setpoint switch on back of regulator is set for appropriate battery

type. See Table 1 and Figure 1. Then install regulator on adapter plate.

3. Connect extended wiring harness between regulator and alternator. Make sure harness plugs are securely

connected to regulator and alternator sockets.

4. When connecting REG/IGN wire and NO-CHARGE wire from vehicle harness into mating 2-pin connector,

crimp and solder the connections and make sure pins are secured tightly in connector body.

5. Connect green wire to regulator IGN terminal and white wire to regulator D+ terminal.

6, Using cable ties every 12-14 inches, securely support wiring harness between alternator and regulator.

C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633

Table 1 – Voltage Select Switch Position

4 Voltage Setpoints (Fig. 1)

Position 1 27.5 V

Position 2 28.0 V

Position 3 28.5 V

Position 4 29.0 V

Battery Type

Maintenance

Maintenance-Free

Battery Isolator setpoint

Note: On Group 31 batteries, if boiling or excessive gassing occurs with high voltage

setpoint (position 3), change to medium voltage setpoint (position 2).

Figure 1 – 4 Voltage Setpoints

Mating connector included

with harness



Step 4: Wire from REG/IGN source to pin A

in 2-pin connector

Step 4: Wire to NO-CHARGE input into pin B

in 2-pin connector

Step 5: 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.

Step 5: Green wire from

pin A (IGN source)

in 2-pin connector

to IGN terminal on regulator—

torque to 4.5 Nm/40 lb. in.



Extended

Wiring Harness

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 – Remote Mounted Commercial Regulator with Extended Alternator Wiring Harness



P terminal

Diagnostic LED





Extended Wiring Harness 1

Summary of Contents

Page 1 - Extended Wiring Harness

II0146APage 1 of 1Extended Wiring Harness with Round 6-Pin ConnectorsInstallation Instructions for Remote-Mounted Commercial Regulators1. When requi

Comments to this Manuals

No comments

Ce-niehoff-co 6-Pin Connector Extended Wiring Harness W_O Fuses User Manual

Browse online or download User Manual for Hardware Ce-niehoff-co 6-Pin Connector Extended Wiring Harness W_O Fuses . C.E. Niehoff & Co. 6-Pin Connector Extended Wiring Harness W_O Fuses Installation User Manual

Summary of Contents

Comments to this Manuals

Ce-niehoff-co 6-Pin Connector Extended Wiring Harness W_O Fuses User Manual

Browse online or download User Manual for Hardware Ce-niehoff-co 6-Pin Connector Extended Wiring Harness W_O Fuses . C.E. Niehoff & Co. 6-Pin Connector Extended Wiring Harness W_O Fuses Installation User Manual

Summary of Contents

Comments to this Manuals

Related products and manuals for Hardware Ce-niehoff-co 6-Pin Connector Extended Wiring Harness W_O Fuses