Question about 1999 Chevrolet Suburban

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1999 suburban front blower stopped working

Rear heat works fine, front blower suddenly stopped working. I checked fuses and they are fine , I left the blower on high and it did come on once but went off when I adjusted it to a lower setting it feels like it is pushing a small amt of air on each setting. must be electrical ? or a switch problem?

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  • Master
  • 577 Answers

More than likely your blower motor resister went bad, that is what regulates the fan speeds

Posted on Dec 06, 2012

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Chevy suburban front blower only works on certain settings.

I had the similar problem with my 99 suburban. I replaced the blower switch and works just fine.

Posted on Jan 31, 2010

arauzvictor1
  • 466 Answers

SOURCE: the blower motor for my 2005 Suburban suddenly

Check voltage at the terminal that connects the blower if the problem is the current blower because eventually the brushes wear out

Posted on Jan 09, 2010

  • 2 Answers

SOURCE: My heater fan switch won't turn on blower and I

thermostat or the divider door

Posted on Dec 03, 2009

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2 Answers

No air blowing on any setting out any vent. rear works fine.


You need to replace the blower motor, and maybe the ballast resistor also.

Jul 12, 2016 | 2001 Chevrolet Suburban

1 Answer

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There is a blower motor control processor for the back blower - it takes input from the front control and the rear control and decides the fan speed. That processor could be faulty, or the blower motor, or a 30amp fuse in the engine compartment.
In the front system you have a controller and blend doors that direct air thru the heater core and evaporator. You would need to check the operation of those blend doors.

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The blower motor for my 2005 Suburban suddenly


Check voltage at the terminal that connects the blower if the problem is the current blower because eventually the brushes wear out

Jan 09, 2010 | Chevrolet Suburban 1500 Cars & Trucks

1 Answer

It doesn't blow off heat was working fine yesterday and just suddenly stopped working


Check the Front Blower Motor Relay located in the IPM Relay and Fuse Box. It's location should be identified on the back side of the cover. There are other exact Relays (like the Spare Relay or the adjacent: Rear Blower Motor Relay or Defogger Relay) that you can switch out and check operations. If the Front works now but not the Rear, it is the Relay and should be replaced.

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My rear AC and Heat is not working in my 2001Suburban


start by check all fuses, then check for power at rear blower.if fuses are good and you have power then may have bad blower,if no power and fuses are good then may have bad resistor. hope this helps good luck.

Oct 20, 2009 | Chevrolet Suburban 1500 Cars & Trucks

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Front heat does not work, rear heat does?


I'm just a regular diy'er, no training. Had same problem, 2001 Suburban, front blew cool air when heating, rear heat warmed up nicely. After reading other posts on other boards, took off the the heater hose clamps (make sure you remember which is which) at the firewall. With low pressure garden hose flushed left inlet/outlet first till I got good flow, then the right side, and back to left. Reattached hoses, started and tested. Heat blows just fine. I can't think of anything that could be damaged by this, but check with someone who know something first before trying it on your vehicle, but it worked for me. So far so good.

Oct 05, 2009 | 2001 Chevrolet Suburban

1 Answer

Chevy suburban front blower only works on certain settings.


I had the similar problem with my 99 suburban. I replaced the blower switch and works just fine.

Sep 29, 2009 | 1999 Chevrolet Suburban

1 Answer

1992 GMC suburban front air don't blow


REMOVE THE BLOWER MOTOR CHECK IT.HOOK IT TO BATTERY TO SEE HOW WELL IT WORKS. IF IT RUN SLOW OR RUN STOP RUN.REPLACE IT.IF IT CHECKS OUT OKAY.THE PROBLEM. COULD BE THE AC+ HEAT- CONTROL MODE SWITCH.

Aug 02, 2009 | 1992 GMC Suburban

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Check the switch, maybe the switch problem

Jul 06, 2008 | 1999 GMC Suburban

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