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
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
W/ ESC
The
vacuum transducer is located on the Spark Control Computer and tells the computer how much vacuum the engine is producing. Vacuum is one of the factors that will determine how the computer will advance/retard ignition timing and change the air fuel ratio on vehicles with feedback carburetor.