Kohler — EBSM/BOB Connection and Voltage Setting
Installation · external battery supply module (EBSM/BOB)
From a Kohler service manual — check it applies to your exact model before use.
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Procedure
- Use #14-28 AWG wire to connect one or two batteries to terminal block TB13, positive (+) and negative (--) as marked.
- Set voltage selector switch SW11-1 to 12 or 24 VDC. Switch SW11-2 is not used.
- Note: If battery connections are reversed, red LED1 or LED2 will light.
- Note: The EBSM/BOB has no address switches but must be the last board on the bus.
Specs & values
- EBSM/BOB produces 2 amps at 12 VDC with 9--36 VDC input
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.