Service Manual

ISB, ISBe and QSB (Common Rail [...] Alternator

Section 13 - Electrical Equipment - Group 13 Page 13-3

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One Wire System, Typical Alternator (Delco-Remy™)

3 GRD* Ground

4 R* Charge indicator, automatic

lockout system, tachometer**

5 BAT Battery

6 I* Indicator light

*Not all alternators have this feature.

**Provides voltage pulses at about one-half system voltage at a frequency of one-tenth of generator rpm.

Three Wire System, Typical Alternator (Delco-Remy™)