Question about 2002 GMC Envoy

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Linear power module in 2002 Envoy

Blower Motor runs constantly to drain the battery. Replaced battery but dont know where LPM is located to check it?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2002 GMc Envoy Blower motor isnt working

do you have power to it..or a bad ground around blower motor? is the head unit not signaling the blower to run?...calling it with A/C or heat or just fresh air ..try all settings and advise...good luck

Posted on Jan 08, 2009

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gpgab97
  • 77 Answers

SOURCE: where is oil drain plug

Crawl under car from front and look underneath the filter and to the right a little it is a small 14 mm plug i believe.

Posted on May 02, 2009

  • 108 Answers

SOURCE: Blower motor continues to run when vehicle is off

Your problem is the Relay which is encased inside the Heater/AC Resistor Module. This is a very common problem with GMC and Chevy Trucks. The Relay's return spring fails and the relay is held closed by gravity. The only fix is to replace the Resistor Module. I have a 2004 Silverado and have replaced the Module 3 times and the Blower Motor twice. The Orange wire feeding the Module is always Hot (12V) and feeds the Relay Contact for Highest Blower Speed. Hence the Blower runs all the time even with the Key off and removed.

Posted on Oct 21, 2009

jyackle5
  • 8197 Answers

SOURCE: where is the location of blower motor resistor for

Go to link below for directions on how to change resieter. It is for a trailblazer but you do it the same on an envoy also.

http://forums.trailvoy.com/showthread.php?t=32751&highlight=BLOWER+MOTOR+RESISTOR

Good Luck

Posted on Nov 20, 2009

  • 279 Answers

SOURCE: Blower motor resistor location

Its located on the passenger side behind the plastic panel underneath the dash,mounted to the ac box.

Posted on Feb 09, 2010

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1 Answer

Front blower motor quit working replaced ignition switch,control module,resister,and blower motor but still doesnt work fuses are all good where do i look next


normally it is the resistor,( relay) then resistor module then motor.
did you test the relay(I believe located under hood, relay/fuse center), If OK check plugs and wires for melting, damage and good connection, grounds should also be checked. Use a volt ohm meter to see if you are getting any power ti motor,etc.
the first link below gives good how to diagnose blower,press the helpful button
GM Blower Motor Resistor Diagnostics by Wells

DIagnose and Replace GM blower Control Module

http://www.gmcproblems.com/tsbs/Envoy/2003

Jan 30, 2016 | 2003 GMC Envoy Xl

1 Answer

2004 ENVOY WHERE IS MODULE RESISTOR


2002 - 2009 GM BLOWER MOTOR RESISTOR - YouTube

? 4:17
https://www.youtube.com/watch?v=WWi-_-kY-dM
Sep 5, 2012 - Uploaded by davesgarage512
I have a 2003 GMC Envoy and my issue is when I shut the blower off it still ... Can this issue also be remedied ...

2004 GMC ENVOY Blower Motor Control Module / Resistor



Nov 28, 2015 | 2004 GMC Envoy SLT

1 Answer

My 2006 GMC Envoy heater fan has stopped working. I checked the switch and it is good. I didn't know how to get to motor itself to check it there. Any suggestions?


The blower motor is located behind the glove box. Open the glove box and at the left rear is a wire catch mechanism, push on this and the box will move further down. The motor and blower motor resistor module can be accessed here. Does the blower work on any of the speeds? If yes, then suspect the resistor module. If no, check for a blown fuse or bad motor.

Feb 26, 2011 | 2005 GMC Envoy

1 Answer

Recently had water spill in truck now truck will not start, 2002 gmc envoy. heated seats dont work, when turn key all dash lights come but not click or start. do you know what it can be? Replaced body...


check fuses... get a 12v test light & see if getting voltage to starter. did you charge battery? check battery connections. did you spill water one cup? 500 gallons?in console? on engine? on ignition switch?

Sep 15, 2010 | 2002 GMC Envoy

1 Answer

Blower runs all the time even when off on 2003 envoy


there is a part know as the blower module on most gm vehicles. It is located on top of the blower motor housing.; unplug it and see if the blower shuts off. They had that problem with a lot of the cadillacs. The module was located under the hood next to the firewall. I do not know where yours is located, but I hope this helps.

Jun 25, 2010 | 2003 GMC Envoy Xl

1 Answer

Blower motor stays running ,can't shut it off ,on my 2003 envoy 4,2,it's has dual climate controls , with blower controls on the steering wheel as well as on the dash.please help with the location of the...


you need to check / replace the blower speed resistor module that should take care of the problem it is located lower evaporator case right hand side very bottom by the blower motor.

Nov 04, 2009 | 2002 GMC Envoy

2 Answers

The blower speed switch only works on 5. The


this problem is caused by a defective blower speed control resistor, it is located near the blower motor, very cheap to replace, part is around $35

Oct 26, 2009 | 2002 GMC Envoy

2 Answers

Blower motor continues to run when vehicle is off


Your problem is the Relay which is encased inside the Heater/AC Resistor Module. This is a very common problem with GMC and Chevy Trucks. The Relay's return spring fails and the relay is held closed by gravity. The only fix is to replace the Resistor Module. I have a 2004 Silverado and have replaced the Module 3 times and the Blower Motor twice. The Orange wire feeding the Module is always Hot (12V) and feeds the Relay Contact for Highest Blower Speed. Hence the Blower runs all the time even with the Key off and removed.

Oct 02, 2009 | 2003 GMC Envoy Xl

1 Answer

Rear a/c remaining on when engine is off


999999995.gif Service VME - HVAC Blower Continues To Run with Key Off SERVICE VME Some 2003 Full-Size Pickup / Utility A/C blower motor continues to run even when the key is removed from the ignition. The root cause is an internal failure within Linear Power Module ( LPM ) or also known as the Blower Motor Control Processor. The service fix is to replace the LPM (P/N 52495874).
.

Models: (03 CHEVROLET FULL SIZE PICKUPS AND UTILITIES) and (03 GMC FULL SIZE PICKUPS AND UTILITIES) and (03 CADILLAC FULL SIZE UTILITIES)

Aug 25, 2009 | 2003 GMC Yukon

1 Answer

Why does my heater keep running after I shut my Envoy off?


I have the same problem. I have also been searching the web for a solution. I came across someone saying that it was the heater module located behind the glove department. I can't find now where i read this but it said the part was approx. $150.00. He was having same problem as us, heater wouldn't obey touch commands to turn on/off or when heater did blow it would only blow real low or real high. Like you, after turning off engine blower motor was still running even though it wasn't blowing air out.
I'm tired of paying for things that are not due to normal "wear and tear" on my 2003 Envoy. Let me know if this helps you and how you repaired it. I'll probably have to take mine to the shop but because I'm a "girl" I swear they think I'm crazy with all my Envoy complaints.

Dec 01, 2008 | 2003 GMC Envoy

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