4. Prestolite 24 Volt 120 Amp Alternator Wiring Diagram
Before wiring the 24 Volt 120 Amp Alternator, please read the information
below:
• The S (Sense) terminal is not active on the AVI147J3110HD or AVI147J3113HD
models so does not need connecting (on those two models).
• The W (Tacho) is an option (when a rev counter is fitted) and is not required for
alternator functionality.
• The DFM (Field Monitor) usage is dependent on the engine and is not required for
alternator functionality.
• The Terminal 15 (Ignition) provides excitation and MUST be connected.
• The L (Warning Lamp) is an option (when a warning lamp is fitted) and is not required
for alternator functionality.
RDG603A81 – Issue 2
Figure 22: 24v 120A Alternator Wiring
Page 57 of 93