2004-2009 Suzuki LT-Z250 Service Manual, Page 225Get this manual
ELECTRICAL SYSTEM
CAUTIONS IN SERVICING
CONNECTORS
When disconnecting connector, be sure to hold the terminals; do not pull the lead wiresWhen connecting connector, push it in so it is firmly attachedInspect the connector for corrosion, contamination and any breakage in the cover
COUPLERS