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5 Painful Chevy Blazer 4WD Problems (+Reliable Solutions)

RepairSmith

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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5 Painful Chevy Blazer 4WD Problems (+Reliable Solutions)

RepairSmith

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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What Coolant Does My Car Need? (+Why Not to Go By Color)

RepairSmith

By the way, even electric vehicles use coolant, but to cool the battery, not the car engine. Older vehicles (possibly from 2001 and prior) will probably use IAT coolant. When you flip on the heater, hot coolant flows through the heater core. A fan then blows the heat from the heater core into the cabin through vents.

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