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

Blower Motor Inoperative

Test 1 - 3:




Test 4 - 7:




Test 8 - 11:






SYMPTOM
BLOWER MOTOR INOPERATIVE

POSSIBLE CAUSES
- Power Distribution Center Fuse #13
- Blower Motor Feed Circuit Shorted To Ground
- Fused B(+) Circuit Shorted To Ground
- Blower Motor Shorted To Ground
- Ground Circuit Open
- A/C - Heater Control Module Open
- Blower Motor Driver Circuit Open
- Resistor-open Hi Blower Motor Driver
- Blower Motor Common Driver Circuit Open
- Blower Motor
- Fused B(+) Circuit Open
- Ignition Switch Open