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

Electrical Specifications

Heater Resistance	7 - 48 at 68 Ohms At Degrees Fahrenheit (ohms @ deg F) Measured between terminal 1 (red clip) and terminal 3 (blue clip) of special harness tool.
Output Voltage	0.6 - 1.0 Volts (V) Measured between terminal 2 (black clip) and terminal 4 (white clip) of special harness tool while repeatedly accelerating after engine is warm.