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Mark in Gering, NE did his home work on PWM controllers and ordered the Auto Cool III PWM 

controller for his new Pontiac show car!

CONTACT VIA PHONE

DARRYL THE AUTO COOL GUY

562-367-3225

 

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Our new A/C high pressure side controller. 

It will trigger your A/C fan or Fail Safe mode fan to cool down and lower A/C pressure.  Comes with 200 PSI sensor, 10 inch hose with fittings.  Trip your fan at pressure level you select.  Ten Leds show pressure level percent in real time!  

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  • All Products

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    Before you purchase that brand X controller, check their DC current rating and history of failures!   The Auto Cool Guy starts at 55 amps - to a monster 200 amp unit!

    The On Line Store Page 1 below. . . .

    DIESEL RADIATOR TEMPERATURE CONTROL

    Steve installed the DX-150 in his vehicle and made this video during the process.

    I made this video of the DX-150 - how it works on the bench.   We have a PDF on how to set it up on the first power up.

    The Auto Cool DX-150 for push button radiator temperature control.

    * Rated at 150 amps max

    * 10 LEDs show % of Pulse Width or fan speed

    * Temp memory hold when off or battery disconnected

    * Push button temp control warm or hot

    * Soft Start limits inrush current

    * Cool down timer on or off

    * A/C fan speed control with small pot on the side of the controller

    * No calibration required

    * 1/4 inch brass studs fan & ground

    * Use any of our sensors

    * No more relays burning out

    * One year warranty

    * Base: 6.0 x 7 inch

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    Hydroxychloroquine was taken daily for a full year in South Vietnam and still healthy as a horse to this day!

    ​

    A public service message for all you Auto Cool Guys out there!   George Carlin talks about germ, virus, and the immune system from the past.  His video contains lot of 4 letter words, viewer discretion advised! 

     

    The Auto Cool Guy is

    # 1 in customer service!  

    call or email 7 days a week!

    562-367-3225

    please try to avoid voice mail!

    autocoolguy@yahoo.com

    Auto Cool controllers

    are proudly made in America!

     

    The Auto Cool Guy supplies the Standard Brass Sensor with your controller.    However, if you purchase a Brass Plug Sensor or one of the Copper Inline Sensors,  we do not supply the Standard Brass Sensor as the default sensor with your order.  

     

    Send us an email on the size of sensor you have ordered!   We are not getting the pay pal notes?

    DUE TO PROBLEMS WITH USPS, ALL SAUDI ARABIA AND NETHERLANDS SHIPMENTS WILL NEED TO GO WITH UPS!   THERE WILL BE HIGHER COST TO SHIP YOUR CONTROLLER!   THESE GET LOST OR RETURNED!

    These are the Auto Cool Controller PDF files you can down load. 

     

     

     

    The Auto Cool Guy wants your Auto Cool Fan Controller to operate perfect. So here is some installation instuctions and troubleshooting tips to aid you. Please feel free to email or give us a call with any sales

    or service question. Remember every Auto Cool Controller comes with a full ONE YEAR warranty.

     

    Read this PDF to the right.  Its how your Auto Cool 

    Controller works.

    ​

    INSTALL DOCUMENTS:

    HOW YOUR AUTO COOL CONTROLLER WORKS.pdf
    HOW YOUR AUTO COOL CONTROLLER WORKS.pdf
    AUTO COOL 50 INTALL DATA.pdf
    AUTO COOL 50 INTALL DATA.pdf
    AUTO COOL 200 INSTALL.pdf
    AUTO COOL 200 INSTALL.pdf
    INSTALL AC 85 9-1-17.pdf
    INSTALL AC 85 9-1-17.pdf
    INSTALL AC III 9-1-17.pdf
    INSTALL AC III 9-1-17.pdf
    INSTALL AC NB-100 9-1-17.pdf
    INSTALL AC NB-100 9-1-17.pdf
    OFF ROAD SHUT DOWN.pdf
    OFF ROAD SHUT DOWN.pdf
    MERCEDES AC INTERFACE.pdf
    MERCEDES AC INTERFACE.pdf
    AUTO COOL NB-50 INSTALL.pdf
    AUTO COOL NB-50 INSTALL.pdf
    NB-50 INSTALL
    ICE BOX DATA.pdf
    ICE BOX DATA.pdf
    HF-125 CONTROLLER INSTALL.pdf
    HF-125 CONTROLLER INSTALL.pdf
    AC TO TRINARY SWITCH.pdf
    AC TO TRINARY SWITCH.pdf
    TRINARY SWITCH TO 
    AC TERMINAL
    DX-150 INSTALL SHEET.pdf
    DX-150 INSTALL SHEET.pdf
    DX-150 INSTALL 
    DATA SHEET
    TRINARY SWITCH 7-2019.pdf
    TRINARY SWITCH 7-2019.pdf

    TRINARYSWITCH 411

    HF-125 

    INSTALL 

    TROUBLE SHOOTING DOCUMENTS

    AUTO COOL 85 TROUBLE SHOOT.pdf
    AUTO COOL 85 TROUBLE SHOOT.pdf
    AUTO COOL TEMP ADJ CONTROL 1-6-2020.pdf
    AUTO COOL TEMP ADJ CONTROL 1-6-2020.pdf
    DX-150 SET UP 2-1-20.pdf
    DX-150 SET UP 2-1-20.pdf

    SET THE TEMP

    DX-150 FIRST

    EMI AND BUZZ BOX INFORMATION

    BUZZ BOX INSTALL

    PAGE 1-2-3

    BUZZ BOX PAGE 1.pdf
    BUZZ BOX PAGE 1.pdf
    BUZZ BOX PAGE 2.pdf
    BUZZ BOX PAGE 2.pdf
    BUZZ BOX PAGE 3.pdf
    BUZZ BOX PAGE 3.pdf
    CURE EMI NOISE A.pdf
    CURE EMI NOISE A.pdf
    CUT EMI NOISE AUTO COOL B.pdf
    CUT EMI NOISE AUTO COOL B.pdf

    Cure Auto Cool

    EMI noise page1

    Cure Auto Cool

    EMI noise page2

    MORE DOCUMENTS

    NEW CAR RUNS HOT.pdf
    NEW CAR RUNS HOT.pdf
    RELAY VS POWER TRANSISTORS .pdf
    RELAY VS POWER TRANSISTORS .pdf
    POS GROUND CAR FIX .pdf
    POS GROUND CAR FIX .pdf
    SENSOR R VS TEMP .pdf
    SENSOR R VS TEMP .pdf
    SEMI TRUCK'S AUTO COOL CONTROLLER.pdf
    SEMI TRUCK'S AUTO COOL CONTROLLER.pdf
    OFF ROAD SHUT DOWN.pdf
    OFF ROAD SHUT DOWN.pdf
    DC COOLANT PUMP CONTROLLER .pdf
    DC COOLANT PUMP CONTROLLER .pdf
    HOW AUTO COOL WORKS 7-17-2019 PDF.pdf
    HOW AUTO COOL WORKS 7-17-2019 PDF.pdf

    HOW YOUR AUTO COOL CONTROLLER WORKS!