Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Backprobing Spring-Loaded Lock Connectors

Backprobing Spring-loaded Lock connectors:





When checking voltage or resistance on this type of connector the first time, it is necessary to remove the retainer to insert tester probes from the wire side.

NOTE: It is not necessary to reinstall the removed retainer; the terminals will stay locked in the connector housing.

Backprobing Spring-loaded Lock connectors:





To remove the retainer, insert a flat tip screwdriver between connector body and retainer, and carefully pry out the retainer.

NOTE: Take care not to break the connector.