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

Component Tests

Radiator Fan Switch Test
1. Remove the radiator fan switch from the radiator.

2. Suspend the radiator fan switch (A) in a container of water as shown.
3. Heat the water, and check the temperature with a thermometer. Do not let the thermometer (B) touch the bottom of the hot container.

4. Measure the continuity between terminal No. 1 and terminal No. 2 according to the table.
5. Replace, if necessary, and install the radiator fan switch.