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How do you replace a blower motor resistor on pontiac g3

AC Blower only works on high

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Daytime running light/blower motor interaction

I have the same problem. I've heard the ignition switch harness is shorting out and replacing the ignition switch ($75-$125 part) will fix it. A few torx drivers and sockets are needed to replace it (a 4mm hex socket works for the column covers, but the bolts holding the ignition switch in are even smaller. I have it apart down to where I need a smaller torx socket to continue.)

Posted on Nov 22, 2008

  • 8 Answers

SOURCE: blower motor only works on high

located under dash next to blower motor itself should be a couple of wires plugged into it

Posted on Dec 30, 2008

  • 2 Answers

SOURCE: heater blower motor only works on high

You most likely need to replace the ignition switch. Sounds weird, but check out other posts. It works.

Posted on Aug 27, 2009

SOURCE: 2003 pontiac vibe blower only working on high

The blower resistors are the most common cause when it comes to the problem your describing however there could be other causes. It could be a bad speed switch or the wiring between the switch and resistors.

Posted on Jan 13, 2010

csmock132
  • 4669 Answers

SOURCE: 1992 bonneville sse w/ac replaced blower motor +

You replaced the blower control module or the blower control panel on the dash? This has automatic temp control right?

Posted on Apr 01, 2010

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1 Answer

What is an AC diode fuse? I have a 2006 AWD Pontiac Torrent the AC/Heat doesn't work, I've changed all fuses for the HAVAC and still no AC/Heat blowing out of vents. What could be the problem?


Could be a number of thing's ! Testing the electrical circuit is the way to find out what's wrong . Using a wiring diagram and a DVOM - digital volt ohm meter . Videos on youtube showing how to test it ! Without testing i would only be guessing . Does it work in high speed ? In high speed it by-passes the resistor . If it doesn't work in any speed more then likely the blower motor is the problem !
Air Speed
The HVAC control assembly applies ground to the blower motor control circuit that corresponds to the selected blower speed. The resistors and the blower motor are in a series circuit. The following list represents the number of resistors in series with the blower motor per particular speed request:
• Low speed--3 resistors
• Medium 1 speed--2 resistors
• Medium 2 speed--1 resistor
When the operator requests High speed, the HVAC control assembly applies ground directly to the blower motor through the high blower motor control circuit. The resistor card has a fusible link which, if blown, will require that the card be replaced.

Blower Motor and Resistor Diagnostics by Wells

Jun 11, 2017 | Pontiac Cars & Trucks

1 Answer

2004 Pontiac Vibe Air blower work only on high


Replace blower motor ,the motor perhaps is worn and making resistance heating up the resistor

Dec 26, 2014 | 2004 Pontiac Vibe

2 Answers

01 grand.prix ac fan switch only works on high. has a duel temp controller when you turn fan off the only way fan comes back on is to move the temp controller levers


Hi!!
When the Blower Motor Resistor (controls blower speeds) goes bad, the blower motor works only on HIGH SPEED. REPLACE IT.
BLOWER MOTOR RESISTOR Removal & Installation
  • Disconnect negative battery cable.
  • Remove right lower instrument panel insulator panel.
  • Disconnect blower resistor connector located behind right side of dash.
  • Remove blower resistor screws and blower resistor.
To install, reverse removal procedure
Good Luck!! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa!!

Feb 18, 2011 | 2001 Pontiac Grand Prix

2 Answers

My AC was first only working at the max setting now not at all


go for the reostat which is all in one with the blower motor ,expensive part though

Jun 03, 2010 | 2002 Pontiac Grand Prix

1 Answer

1992 bonneville sse w/ac replaced blower motor +


You replaced the blower control module or the blower control panel on the dash? This has automatic temp control right?

Mar 31, 2010 | 1992 Pontiac Bonneville

1 Answer

AC only work on high speed


If the blower motor only works on the high speed it most likely needs to the blower motor resistors replaced. Sometimes when replacing the resistors the dealer recommends that the blower motor be replaced in conjunction. It's believed the blower motor burns out the resistors. The resistor pack is either in the engine bay mounted on the heater box or under the passenger side of the dash board.

Oct 04, 2009 | 2001 Chrysler Town & Country

1 Answer

2000 pontiac grand prix,heat/ac does not blow out...when it does its for about 30 sec. before it shuts off again,also it only comes on at 5(highest setting)


this could be one of two things .1 a bad blower motor resistor .2 a bad blower motor. if the blower motor resistor is bad i should work on high all the time.

Jun 24, 2009 | 2000 Pontiac Grand Prix

1 Answer

Blower control on heat/ac only works on highest level.


Your blower motor resistor, located under the passenger side dash down by the floor next to the blower motor, This will cause the motor to only work on high speed. Gm pt#89019101 around $60

May 11, 2009 | 2002 Pontiac Grand Prix

2 Answers

Heater blower motor only works on high


You most likely need to replace the ignition switch. Sounds weird, but check out other posts. It works.

May 05, 2009 | 2002 Pontiac Grand Prix

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