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)

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Blower Motor Relay: Testing and Inspection

Blower Motor Relay Inspection




1. Disconnect negative (-) cable at battery.
2. Remove glove box.
3. Remove blower motor relay (1).
4. Check if there is no continuity between terminal "c" and "d". If there is continuity, replace relay.
5. Check if there is continuity between terminals "c" and "d" when a 12 V battery is connected to terminals "a" and "b".
- If malfunction is found, replace it with a new one.