Husqvarna TE 250 Workshop Manual page 388

DISCONNECTING THE LAMBDA SENSOR
DISCONNECTING THE MAQS SENSOR
DISCONNECTING THE WATER TEMPERATURE
SENSOR
DISCONNECTING THE TURN INDICATOR FLASH DEVICE
"KIT" ASSEMBLING INSTRUCTIONS
Disconnect the lambda connector.
Disconnect the MAQS connector located on the throttle body.
STATIC ELECTRICITY MAY DAMAGE THE MAQS SENSOR PERMANENTLY.
MAKE SURE THAT ANTISTATIC PROTECTIONS ARE WORN WHEN
HANDLING THE MAQS SENSOR.
Disconnect the water sensor connector.
Disconnect the flash device connector and remove the device from its housing.
O.46 Part. N. 8000 B0148 (02-2008)