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I Have a 2002 Pontiac grand Prix se 3.1. My ac only blow when my shift interlock is working fine. When my shift interlock stop working my air stop blowing cold

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  • Pontiac Master
  • 11,492 Answers

Looking at a wiring diagram these two share a common ground - G 117 . Look for loose connection or corrosion .
G117 (3.1L)
(CKT 1050) Lower left front of the engine, on the transaxle stud, above the starter

Posted on May 16, 2017

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 72 Answers

SOURCE: grand prix 3800 blowing only hot air please help

check the temp control switch in the dash

Posted on Jun 22, 2009

  • 107 Answers

SOURCE: 96' Pontiac Grand Prix SE, Air Conditioin Compressor

did you open the hp swich located on the high pressure ac lin you have to open the hp swich w/a paperclip in the harnes to open the system to accept the freon your trying to put in open the circut then fill

Posted on Jul 20, 2009

  • 88 Answers

SOURCE: 2002 pontiac grand prix ac tripping

must be low on freon

Posted on Sep 16, 2009

  • 451 Answers

SOURCE: Car Heater Not Working - Blowing Cold Air

also check to see if tube that runs your climate door is not pinched or broken. the vaccum tube that runs the climate door is behind and under the battery. i had same problem a year ago and the tube was partially cut. i fixed it by cuttinga piece of aquarium tubing and spliced it back together. one other thing.....check to see if your radiator over flow cap is tight. your cap maybe bad and or cracked this would also cause the problem.

Posted on Jan 29, 2010

  • 400 Answers

SOURCE: 02 pontiac grand prix blows out cold air on

Problem with the blend door actuator or wiring going to it (no separate fuse). Most of the time the actuator motor fails and won't close the blend door. I can't guarantee that it isn't a broken wire going to the actuator. It should set a trouble code in the BCM (body control computer) if its electrical because it looks for a feedback as to where the door is positioned.

Posted on Jan 30, 2011

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2000 grand prix, temperature won go from ac to heat, stuck on ac.


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Oct 15, 2015 | 2000 Pontiac Grand Prix SE

2 Answers

2002 Pontiac air settings 1,2 and 5 don.t work on my A/C and Heater


Your blower motor resistor module has failed. You can replace it with a little effort. The cost is around $35 to $40.

Nov 20, 2011 | 2002 Pontiac Grand Prix

2 Answers

My heater on my 2002 pontiac grand prix blows hot then cold air my wife hit a huge pothole on sunday then after that this started doing this please help


check you climate control vacuum hose. it may have come loose or crimped. its located beneath and under battery mount box. also check to see if your coolant resvouir is full as well as your resivour cap is tight.

Jan 26, 2010 | 2002 Pontiac Grand Prix

1 Answer

A/C works fine, just doesn't blow cold air anymore.


If it works fine you probably just need to have your ac recharged.

Aug 03, 2009 | 2001 Pontiac Grand Prix

1 Answer

Hello 2002 Grand Prix the air conditioner fan only works on #5 it will not blow air on 2-3,or 4.


there is a resistor or heater module in the box by blowwer motor under dash on passenger side two bolts hold it in replace this and she will work fine

Jul 29, 2009 | 2002 Pontiac Grand Prix

1 Answer

96' Pontiac Grand Prix SE, Air Conditioin Compressor


did you open the hp swich located on the high pressure ac lin you have to open the hp swich w/a paperclip in the harnes to open the system to accept the freon your trying to put in open the circut then fill

Jul 10, 2009 | 1996 Pontiac Grand Prix

1 Answer

Shifting problem?


2\3 solenoid stuck on. Direct clutch malfunction.

Jun 27, 2009 | 2002 Pontiac Grand Prix

2 Answers

Grand prix 3800 blowing only hot air please help


check the temp control switch in the dash

Jun 19, 2009 | 2002 Pontiac Grand Prix

1 Answer

The blower fan speed control stopped working


usually a bad blower resistor is at fault...

Feb 05, 2009 | 2002 Pontiac Grand Prix

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