Question about 2005 Mercury Mountaineer

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Does heater have a fuse

Is there a fuse that makes the heater work?

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Blower and if you have the automatic temp control the door that controls the temp does have a fuse. If the fuse or door control module is burnt out then the output air will remain the same no matter where you set the temp.

Posted on Feb 11, 2014

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Check harness connections and fuses. Make sure fuse box connections and grounds are secure

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Dashboard gauges do not work,turned heater fan switch on the heater did not work, everything works on the outside. But nothing inside. replaced a fuse , it shorted out immediately....Need help.


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Where is the heater fuse located?


-There is not heater fuse. You're talking about the blower
motor's fuse...?
-If so read its manual or check under the fuse box cover.


Good Luck

Mai

Feb 11, 2015 | Cars & Trucks

1 Answer

The heater in the driverside seat dont come on, is there a fuse for it? are driver and passenger side different fuses?


with all heaters,
blown fuse
bad switch
bad wires
bad heater.
what we do is check fuses first the use a voltemeter
to find the point that is open circuit.
this works every time. heater good.
if power makes it to the heater and its dead, then its dead.
(measure the ohms, (resistance) infinity is dead open
low ohms is good. say about 12 ohms would be 1 amp.
or 12watts, less homes is more watts. (im not looking that up, its in the shop manual and at alldata dot com , every day.

Jan 28, 2013 | 2002 Suzuki XL-7

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2003 s-10 4.3....truck was running fine, check engine came on, usually gas cap...after couple days of not going out i obd2 it. codes.135,141, 154 and 155 3 of where double. says check circuit fuse? any...


You're making the most common DIY mistake in thinking that whatever part is listed in the trouble code is what you need to replace. In your case the most important codes are:
P0135 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0141 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

Oxygen sensors don't work well unless they're up to a certain temp. That's why they have heaters. So these codes are telling you there's a problem with the O2 sensor HEATER circuit. That could be a blown fuse or a problem with the wiring harness. Since the heaters aren't working, it makes perfect sense that you'd get the two other codes. Check the fuse for the O2 sensor heaters. Oxygen fuse in underhood fuse box (20A). If it's blown, replace it. If it blows again, you've got a short somewhere. Start by unhooking the all the O2 sensors. If the fuse doesn't blow, plug them in one at a time. Get it?

Aug 27, 2017 | 2003 Chevrolet S-10

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Heater fan won't work in 2000 Chevrolet Blazer. Dont know which fuse is for the heater.


GM has a fuse panel on the left side under the dash. The fuses are labled HTR/AC. There is also a set of overload relays under the hood on the driver's side. They are also labled. The owner's manual has a diagram showing both the location and type of fuse to use. Cleaning the sockets with electrical cleaner when you replace the fuses helps them to make better contact.

Mar 13, 2011 | Chevrolet Blazer Cars & Trucks

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I have just replaced my thermostat housing bleed the radiator and i still got no heating the thermostat is brand new


MAKE SURE BLOWER MOTOR OPERATING IF NOT CHECK FUSE AND RELAY.ALSO CHECK HVAC FUSE THIS CONTROL HEATER + AC CONTROL SWITCH AND MODE SELECTION FOR OPENING AND CLOSING HEATER DOOR OR HEATER CONTROL VALVE AND AC+ DEFROST AIR DOOR.IF BLOWER AND HVAC FUSE OKAY.IF YOU HAVE MANUAL HEAT CONTROL MAKE SURE MODE SWITCH IS RECEIVING VACUUM. YOU HAVE TO REMOVE HEATER CONTROL SWITCH AND CHECK TO SEE IF GETTING VACUUM GETTING TO SWITCH LOOK FOR BROKE DISCONNECTED VACUUM LINES IN THE DASH AREA.IF YOU HAVE CLIMATE CONTROL.YOU COULD HAVE A FAULTY ELECTRICAL HEAT DOOR ACTUATOR.SOME CLIMATE CONTROL CARS HAS THE CLIMATE CONTROL PROGRAMMER HAS TO BE REPROGRAM BEFORE THE HEATER AND AC WILL WORK AGAIN.YOU NEED A DEALERSHIP SCANNER TO CHECK IT OUT.BUT IF YOU HAVE MANUAL CONTROL CHECK TO SEE IF YOU GETTING VACUUM.IF YOU GETTING VACUUM AT HEATER DOOR VACUUM ACTUATOR OR HEATER CONTROL VALVE EITHER ONE OF THOSE COMPONENTS COULD BE FAULTY.WARNING YOUR VECHICLE HAS AIRBAGS YOU HAVE TO DISARM THEM BY REMOVING FUSES WAIT 20 MINUTES BEFORE WORKING ON DASH AREA.YOU HAVE TO CRANK CAR UP TO CHECK TO SEE IF YOUR HVAC GETTING VACUUM.

Oct 24, 2010 | Renault Sport Cars & Trucks

1 Answer

Heater problem the power to the heater is there but will not work but if u put a live from the battery to the heater it works what can i do cheers


Sounds as if a fuse has blown. These are cheap and easy to fix. Find your fuse box, and check the fuses. (If you have a manual, that would be good) Replace the fuse. Make sure you get the correct fuse power rating though.

If it blows again, you have a problem in the circuit and you would be best taking the car to an auto electrician.

Dec 18, 2009 | 2005 Peugeot 405

1 Answer

Heater fuse location anyone?


to start out make sure you have the right amount of antifreeze in the car and if the blower motor is not working it probably is the fuse or the blower motor itself check the fuses under the dash on the driverside and the panel lid should tell you which one is for the heater

Feb 10, 2009 | 1996 Buick LeSabre

1 Answer

Anyone know fuse number for front heater for 96 lincoln town limo


Hi
The frist thing i would look at would be the blower motor feed a live wire to it to make sure the motor has not gone but the fuse will be under your let knee not sure want number, but all so give the motor a tap with some thing to see if this makes it work.
Paul

Dec 13, 2008 | 1996 Lincoln Town Car

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