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2003 Pontiac Grand Prix AC / heater problems: blower motor goes out and causes headlights to go out

Blower Motor Goes Out And Causes Headlights To Go Out

7.3

pretty bad
Typical Repair Cost:
No data
Average Mileage:
152,366 miles
Total Complaints:
3 complaints

Most Common Solutions:

  1. not sure (3 reports)
2003 Pontiac Grand Prix AC / heater problems

AC / heater problem

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2003 Pontiac Grand Prix Owner Comments

problem #3

May 222014

Grand Prix GT 3.8L

  • Automatic transmission
  • 170,000 miles

A D V E R T I S E M E N T S

I had bought the car from a friend of a friend. The car is in pretty good condition with mainly highway miles on it. I noticed the problem shortly after I had bought it that every now and then my trip-o-meter wasn't coming on nor my A/C and later found out my automatic headlights were malfunctioning as well, but after a while of driving the trip would slowly start to come on unless I tried to turn on my A/C, which would result in my trip turning off again. When I figured out my automatic lights were being affected, I was going to town at night and my lights kept flickering unless I turned down my interior lights to almost nothing. Then the lights would stay steady.

I'm not able to confirm this but I feel like it does it more when I leave something plugged into the outlet when the car is off ( i;e my GPS). ost mornings when I start my car the trip will be off unless I tap it a little bit with my finger. If anyone has any idea how to fix this problem, please let me know.

- , Poseyville, IN, USA

problem #2

Dec 082012

Grand Prix SE 3.1L

  • Automatic transmission
  • 171,000 miles

Blower will only work on 5, 1-4 do not work at all. Headlights also turn off on settings 1-4. I discovered this problem driving home from work at 10:00pm-not a good experience to discover your headlights don't work as you're driving 45mph on a dark road!! I know from internet research, that this is a widespread problem. I have also read the solution is a new ignition switch. I have already had to replace the blower motor, blower motor resistor at least once, and countless heater control knobs. I am sick of fixing one thing only to have it break AGAIN, or have something else go wrong!! Next car I buy is a TOYOTA!!!!

- , Cambridge, OH, USA

problem #1

Aug 222010

Grand Prix 3.1L

  • Automatic transmission
  • 116,098 miles

I have an 03 pontiac grand prix. blower motor only works on 5 all the time, but will work on all settings sometimes, but will just stop working sometimes. and when the headlights are on auto they will go out when the blower quits. don't know the problem so let me know if you know the problem please.

- , Jamestown, TN, USA

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