5 Painful Chevy Blazer 4WD Problems (+Reliable Solutions)
RepairSmith
DECEMBER 11, 2023
Inspect your electrical connections: Damaged wiring or short circuits near the transfer case control module (TCCM) can cause the 4WD fuse to blow. Here’s what could be wrong: Corroded wires: The Transfer Case Control Module (TCCM) and related components have sensors, switches, and solenoids that rely on electrical connections.
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