C 1500 Truck 2WD V6-4.3L VIN X (2003)
Engine Block Heater: Description and Operation
Coolant Heater
The optional engine coolant heater (RPO K05) operates using 110-volt AC external power and is designed to warm the coolant in the engine block area
for improved starting in very cold weather 29°C (20°F). The coolant heater helps reduce fuel consumption when a cold engine is warming up. The unit is
equipped with a detachable AC power cord. A weather shield on the cord is provided to protect the plug when not in use.
