husqvarna · Workshop manual
The 12V power socket is not supplying power. This typically means there's an electrical issue, such as a switch being off, the key switch not being in the correct position, a blown fuse, or wiring damage.
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Ensure the switch for the 12V socket is in the 'ON' position.
Confirm the key switch is turned to the 'ON' position.
Check and replace the 5A 'Fuse Power socket' if it is blown.
Inspect the blue and black cables and contacts from J4 to the 12V socket for damage.
Check the red cables and connectors from J5 to the 12V socket enable switch. Repair or replace any faulty cabling.