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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Throttle Full Close Switch: Description and Operation

Fig. 4 Switches & sensors location. V8 engine:






The carburetor switch, Fig. 4 is located on the end of the idle stop and it signals the computer when the engine is at idle. Whenever the curb idle screw touches the carburetor switch, there will be no additional advance from the vacuum transducer or changing of the carburetor air fuel ratio.