Scotty wiring diagram

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External CAN connections ie. Cerbo or batterry 250bit rate Cerbo CAN H - Pin 7 Cerbo CAN L - Pin 8

Fuse Please use appropriate FUSE for + LS or +HS Suggest :

+HS

LS +12V

40A (Scotty 1500); 80A (Scotty 3000) for 48 V +HS 150 A for (Scotty 1500) 250A (Scotty 3000) for 12V +LS

CAN + (CAN H)

CAN - (CAN L)

ALT TEMP V+

ALT TEMP V -

ALT 12V+ SENSE

ENABLE

Harness

this turns scotty on and off

Temperature Probe

48V Bank

2A Fuse

FEATURE IN

Note : - Scotty GEN 3 is labelled as: SCOTTY AI 3 ....

- Scotty 1500 and 3000 GEN 3 have exactly the same hairness, including: Pin 1: ENABLE ; Pin 2: CAN + ; Pin 3: ALT 12V+ SENSE ; Pin 4: ALT TEMP V - ; Pin 5: FEATURE IN ; Pin 6: CAN - ; Pin 7: ALT TEMP V+ . - This wiring diagram is used for a Scotty 1500 and 3000 GEN3 ONLY. - Both Scotty 1500 and 3000 GEN 3 do not have internal 120 Ohm end-of-line resistor. - ENABLE wire for SCOTTY GEN 3 can be connected to either from 12 to 48V. - Hairness cable colour may be different with colour in this drawing. However, please following a lable on a wire. - When using Scotty as discharge function only (for example 48V to 12V), ALT 12V+ SENSE cable is connected to +LS terminal. - Scotty 3000 GEN 3 supports NMEA CAN connection.

12V Bank

Wiring Diagram 1500 & 3000 SCOTTY AI 3 Single Alternator

Drawn By:

David Nguyen

Date:

26/03/2025

Version:

Page 1