Check for a bad blower resistor at blower motor
NO
you dont.....
Blower switch and connection had a melt down.
blower resistor
The orfice can be found either in the ac condinser or at a coupling sometimes at the radator but it is the ac line on the high side I do believe.
did you find a solution yet
the inside bulbs are the high beams.
Trouble code P0118 means: Engine Coolant Temperature Circuit High Input Replace the Coolant Temp Sensor
buy the book on your car car.
It will depend on year of Pontiac Grand Am and whether you are looking for high-beam or low beam. See sources and related links below to lookup by make, model and year.
Idle speed too high.
It is located to the rear of the fuel tank and behind the rear differential up high.