Ce-niehoff-co N1335 Troubleshooting Guides Manual de usuario descargar pdf (Pagina 6)

Page 6

TG0052A

Section 4: Advanced Troubleshooting

Figure 5 – Alternator-to-Regulator Harness Plug

PIN CONNECTIONS

Pin A F–

Pin B Phase 1

Pin C GND/B–

Pin D B+

Pin E Kelvin +

Pin F F+

Pin G Kelvin –

Pin H Phase 2

Chart 1 cont’d from Page 5 – No Alternator Output – Quick Diagnostic

Momentarily (1 sec.) jumper pin F in harness plug to alternator B+ terminal and jumper pin A in harness plug to

B- terminal. Touch shaft with steel tool to detect significant magnetism. Is shaft magnetized?

Yes

Alternator is defective.

Regulator is defective.

Yes

Alternator is defective.

(CONT’D)

With DMM on resistance scale: Connect red lead to pin E in harness plug. Connect black lead to alternator B+

terminal. Meter should read 0 ohms. Change pin E to pin G. Meter should read 0 ohms.

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

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