Why does my GMC blower not shut off?

Why does my GMC blower not shut off?

Once again, the symptoms are that the blower keeps going all the time even with the engine off and the key completely our of the vehicle. Also, the controls are unresponsive. The AC button and the interior circulation button are both lit and I cant switch them off. I also cannot turn the rear defrost on.

Why does my blower motor keep running high?

More than likely you have a control processor issue, which is basically the resistor. The HVAC control module is to send the speed control signal to the processor which then changes the fan speed. When this shorts it usually puts the fan to high speed.

What should I do if my blower won’t shut off?

Refer to either the Blower Motor Control Processor Replacement or Blower Motor Processor Replacement-Auxiliary procedures in SI. After replacement of the blower motor control module, the customer may notice a slightly higher than expected blower motor speed at any of the blower speed settings.

Why does my Chevy Tahoe heater not shut off?

There’s not alot of room to work especially if you have big hands like me. Today is Sept 22 2014. CHEVY TAHOE 2005. HEATER BLOWER WON T STOP WHEN ENGINE SHUT OFF . WHEN ENGINE RUNNING NO CONTROL ON THE BLOWER SPEED .WORKED AT ABOUR 2/3 OF MAX SPEED . REPLACED MYSELF THE BLOWER RESISTOR .TOOK ME 2 HRS MAX .

Why does my GM front blower not shut off?

GM has issued a technical service bulletin (TSB) #06-01-39-002B to address problems with the front blower motor. In some cases in cold weather the blower motor may not run, or if it does, it may not shut off when you turn off the vehicle. The TSB applies to the following vehicles with automatic temperature control:

What should I do if my blower wont shut off?

If the blower stops with either of these steps, the problem is in the HVAC control module. However, if the blower continues to run at high speed with either of those tests, replace the blower motor control processor. Just as an FYI, the retail price of the blower motor control processor is $280.34.

There’s not alot of room to work especially if you have big hands like me. Today is Sept 22 2014. CHEVY TAHOE 2005. HEATER BLOWER WON T STOP WHEN ENGINE SHUT OFF . WHEN ENGINE RUNNING NO CONTROL ON THE BLOWER SPEED .WORKED AT ABOUR 2/3 OF MAX SPEED . REPLACED MYSELF THE BLOWER RESISTOR .TOOK ME 2 HRS MAX .

Do you need a blower motor Resister for a Chevy Avalanche?

I was told to go buy a blower motor resister, come to find out they no longer sell the resister for the 2005 Chevy Avalanche. It has to be converted to a blower motor control module these days.

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