Refer to Figs. 1 through 3 for wiring diagrams. |
Wire Color Code Identification
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Fig. 1 Instrument cluster wiring diagram
Chevrolet Cobalt Owners Manual. Engine Coolant Heater
The engine coolant heater can provide easier starting
and better fuel economy during engine warm-up in cold
weather condition at or below 0°F (-18°C). Vehicles
with am engine coolant heater should be plugged in at
least four hours before starting. An internal thermostat
in the plug-end of the ...