Operation CHARM: Car repair manuals for everyone.
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

Diode Trio Test

Fig. 8 Testing Diode Trio:





Check continuity of the three diodes by connecting an ohmmeter to both ends of each diode as shown in Fig. 8. Diodes should have continuity in one direction only. If diode has continuity in both directions replace diode heatsink assembly.