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
Coolant Switch Test
1. With ignition Off, disconnect electrical connector from coolant switch.
2. Connect an ohmmeter to switch. Connect one probe to a ground and other probe to coolant switch terminal.
3. On a cold engine, there should be continuity. If not, replace switch.
4. On a hot engine (at normal operating temperature), there should be no continuity. If there is continuity, replace switch.