Question about Ford Mustang

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Does a 2001 6cyl Mustang have a constant control relay module? If so, where is it located?

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  • corny9373 May 27, 2010

    was very helpful



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The 2001 Ford Mustang CCRM (Constant Control Relay Module). is located inside the inner front left (passenger-side) fender. Please note, the CCRM also houses other relays such as the PCM power relay, fan, relay, ect. and thus on relay cannot be replaced... the entire assembly must be replaced if one of any of the relays go bad. The dealer can run a functional test of this multi function relay with a Ford scanner, due to the cost of this part I strongly suggest u have it tested, they seldom fail, I am speaking from 35 years experience as a Ford dealer technician

Posted on May 26, 2010

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  • yadayada
    yadayada May 26, 2010

    here is a picture of the CCRM module and a part number and price in the aftermarket I believe the Ford part is black.

    FOUR SEASONS Part # 37517
    Controller Relay $113.79

    part price source:

  • corny9373 May 27, 2010

    Ok well my ac clutch will not engage. what is very odd is that I have voltage to the ac clutch plug, but it will not flow through the coil. The coil is good. I jumped it to the battery and it engages the clutch....The only thing left is that relay, unless there is another ac clutch relay?

  • corny9373 May 27, 2010

    Said this is the cooling fan relay.

  • yadayada
    yadayada May 27, 2010

    this module (called the CCRM, short for "contant comntrol relay module") contains the relays for AC compressor clutch, the fuel pump the cooling fan and the electronic engine control computer (called the PCM), it is a combination relay controller, do u realize that if the AC system is low on refridgerant charge the clutch will not engage? low charge caused by AC leaks is very common on this car. to verify this jumper the AC compressor cycling switch that is located on the low pressure side of the AC system, it is either in the larger of the 2 AC lines or it is on the accumulator can that the line goes to.

  • yadayada
    yadayada May 27, 2010

    this is the only AC clutch relay.

  • corny9373 May 27, 2010

    I jumpered both the high and low switches, not much left to check... Thank you for your help on this.



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Where is the fuel pump relay on 1998 mustang???? Exact location???? thanks for your help.

First thing to note is that the relay is housed in a Constant Control Relay Module (CCRM). This module contains the relay for the Fuel Pump, Cooling Fan, and Air Conditioning Clutch.

In our 1998 Mustang V6, the location of the CCRM is behind the passenger side wheel well plastic cover. Looking at the wheel dead on - it's found at around the 1 o'clock position. To confirm it's location without removing any plastic wheel well cover - pop the hood, and look for a wire harness routing from the engine compartment INTO the passenger side front fender (near the air cleaner). Flash a light in there, and you'll see a connector attached to the module.

I'll save you some headaches in finding the right size tool to remove the connector as well - I used a 5mm nut wrench to remove the connector from the module. Do this first so that you can access one of the two bolts that holds the module bracket to the fender. user_offline.gif found this at the allfordmustangs web site. hope this helps
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contorls fan, fuel pump, ac , all relays are inside this box, it is located in the fender well

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