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

Single A/C Amp Test

Fig. 40 A/C Amplifier Wire Harness Tester Connector:

Fig. 43 A/C Amplifier Control Circuit Test (Single Type):

To check A/C amplifier control circuit, turn ignition switch to the ON position, move temperature control lever to MAX COOL and turn blower control switch to HI. Check for resistance and voltage values between connector terminals Fig. 40. If any readings are not as specified, Fig. 43 locate and repair faulty wiring or replace amplifier if necessary.