Kohler — Disconnect existing 550 controller

Installation

From a Kohler service manual — check it applies to your exact model before use.

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Procedure

1. Remove controller cover; partially disassemble box if needed by removing two top screws and center bottom screw, loosening side bottom screws
2. Mark all disconnected leads with tape
3. Disconnect harness leads: AC fuse terminal block TB5 (V7,V8,V9), terminal strips TB1-TB4, CT/meter scale lead V0, P24 connector, P1 plug, P23, P22, P18, prime power kit, other external leads

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.

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