Ce-niehoff-co N1313 Troubleshooting Guides Instrukcja Użytkownika Pobierz pdf (Strona 8)

Page 8

TG16F

Section C: Advanced Troubleshooting (CONT’D)

Normal Resistance

Lead Connections from DMM Reading Component Tested

red to pin C in 3-pin receptacle and

black to socket C in 5-socket receptacle OL* 14 V control signal

red to socket C in 3-socket plug and SCR gate in

black to socket A in 3-socket plug 7-13 anti-drive end housing

14 V Functions

28 V Functions

Lead Connections from DMM Normal

to 5-socket Receptacle Reading Component Tested

red to socket A and black to socket C OL* (resistance) Power transistor

Short tone on

red to socket A and black to socket D Diode Checker* Supressor diode

Figure 7 – Alternator-to-Regulator 5-Pin Harness Plug Figure 8 – Alternator-to-Regulator 3-Socket

Harness Plug

* If readings register other than those shown, regulator is defective.

** If readings register other than those shown, anti-drive end housing is defective.

3-SOCKET CONNECTIONS

A 14 V B+

B unused

C 14 V Control

5-PIN CONNECTIONS

A F–

B unused

C B–

D 28 V B+

E Phase

3-PIN CONNECTIONS

A 14 V B+

B unused

C 14 V Control

5-SOCKET CONNECTIONS

A F–

B unused

C B–

D 28 V B+

E Phase

Figure 9 – Alternator-to-Regulator Harness Connections at Regulator – 5-Socket Receptacle and 3-Pin Receptacle

If you have questions about your alternator or any of these test procedures, or if you need to locate a Factory Authorized Service Dealer, please contact us at:

C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 USA

TEL: 800.643.4633 USA and Canada • TEL: 847.866.6030 outside USA and Canada • FAX: 847.492.1242

E-mail us at service@ceniehoff.com

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