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Thread: A/C Fan Blower

  1. #1

    Default A/C Fan Blower

    Hi All,

    New here and have a question.

    My 2003 Silverado only blows air/heat on 4 or 5 now, not on 1,2, or 3 anymore. What do I need, where should I look to get one, and what advice do you have for me?

    Thanks, MoFire

  2. #2

    Join Date
    Feb 2008
    Red Wing, Minnesota, United States


    Cant tell you exactly where it is, but its a resistor for the blower, happens on alot of vehicles. There has been some others talking about the last couple days, just search for "blower motor" or "fan resistor" or something very close to that
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual

  3. #3

    Default fan

    Sounds just like what my 03 did. It is located under the dash on the passenger side near where your feet go. The new resistor will not look like the old one but don't worry it has been updated. This really easy to do and save you $$$ over a dealer doing it. Good luck.

  4. #4
    Jr. Engineer Megasaurus's Avatar
    Join Date
    Apr 2007
    Dallas, Texas, United States
    Blog Entries


    If you need a chevy truck parts I would check out the guys at they seem to be very helpful and good prices compared to your local dealer. Hope you get the problem fixed and can do it yourself, save some bucks.
    Rockwall, Texas

    2008 Suburban 4WD BEAST! plus a couple of other Chevy rides!

  5. #5


    hi Welcome to the site. i have the same thing on my colorado 04. check the wires under the glove box. if a person buts there feet up there it mores the wires. just turn the motor on and more the wires around and see if it comes on. ralph
    2004 Chevy Colorado 2wd/4l60e/3.5 Inline 5
    6-PIAA 520 series yellow ion spot lights 85 watts each
    PIAA quattro fog lights w/extreme white/yellow ion bulbs
    Anzo projector headlights/LED turn signals
    LED underbodys 7-color/LED interior lighting
    JET stage 2 performance chip/Magnaflow exhaust S/S
    Recon Big Rig Lights/LED tail lights/3rd brake light
    Putco LED bed lights/BEDRUG
    Goodmark 2" rise Cowl hood/K&N fipk intake
    98-04' Blazer overhead console & floor console
    40/60/40 seat modified to 40/console/40
    33" Cooper Discovery A/T
    16" Pro Comp extreme alloy wheels

  6. #6


    Thanks you all. I will check the area below the glove box here in a few.

    Respectfully, MoFire

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