Question about 2003 Mercury Grand Marquis

1 Answer

Location of blower resistor on 2003 grand marquis?

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Mercury Master
  • 5,481 Answers

Hello, Just follow the wire from the heater fan under the hood. Trace the power wire from the heater fan and it will join a connector midway on the Firewall. It will have 2 screws and 1 electric connector. Tap the connector with a screwdriver handle and see if the part starts working again.

If it does not, get a used or new blower resistor. Work on a cold engine and remove the screws and connector from the part. Temporarily plug in the new part to the connector and turn the Key to run with the fan ON. It should be blowing now. Turn off the switch and put the new part where you can reach it with 1 hand.

Undo a heater hose at the top rear of the motor going in front of the opening for the switch. With 1 hand remove the hose end, then switch parts with the new blower resistor with the other hand and slide the heater hose back on its fitting. Tighten the heater hose.

Then secure the new part into the Firewall and fasten its connector. You should have lost little Antifreeze by working on a cold engine as the hydraulic lock kept the fluid from running out.

This should be all you need to do except clean any spills away.

Posted on May 23, 2011

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

2002 MERCURY GRAN MARQUIS NO LOW AC BLOWER


More often than not, the Blower Motor Resistor would be at fault. It controls the speed of the Blower Motor by varying its speed revolutions. The Blower Motor Resistor is located under the hood under the heater hoses. You can purchase one from E-bay, Amazon, or check your local Auto Parts store(try to get the best price). To get an idea of where the Blower Motor Resistor is situated and what it would take to replace it, go to www.youtube.com. Type ......how to replace blower motor resistor ford crown vic.... and the video will pop up. There should be another video under it with the caption.....2003 ford crown
Victoria blower motor resistor swap... Watch both videos as they contain two different approaches in replacing the unit.

Jun 08, 2014 | 2002 Mercury Grand Marquis

1 Answer

2003 Mercury Grand Marquis temperature control sensor location


its locate under the hood at the front of the car on the driver side.

Feb 22, 2013 | 2003 Mercury Grand Marquis

1 Answer

Where to locate a/c blower resister in a 2004 grand marquis


  • For this a 2004 Grand Marquis the blower motor resistor is located on the bottom of the heater/AC housing on the passenger side of the car under the instrument panel. You need to remove the glovebox off from the instrument panel to replace it.
  • To change it follow these steps.
  1. Remove the neg battery cable from the battery.
  2. Wait 5 minutes before moving on. This is important to wait or you risk the air bags accidentally deploying.
  3. Remove the glovebox from the instrument panel.
  4. Pull out the lock on the blower motor resistor wire harness connector to unlock the connector latch.
  5. Depress the latch on the connector and unplug the connector from the resistor.
  6. Now remove the two screws holding the resistor in place.
  7. Now remove the resistor.
  8. Revers steps to install new on.
  9. hope this helps.

Regards, Tony

Jun 12, 2011 | 2004 Mercury Grand Marquis

1 Answer

I have a 2003 mercury grand marquis and my blower motor does not work there is no voltage at blower motor plug checked fuse already and that is good and checked the relay they were both good


voltage comes from the actual a/c head,chek a wiring diagram to see which actual wire brings pwr down to ur blower . access by removing a/c head out to access backside connectors. another common problem overlooked is to to check ur blower resistors their located in the same area as ur blower motor. u have to access the two mounting bolts that hold it in. the pigtail/wires that connect to blwr mtr usually come from this resistor pak located in blwr hsg to help keep em cool.wat they do is vary the amount of ground going to blower mtr.wen u remove it a telltale sign that thir no good is severe rust buildup on the mounting plate or electrical module wrapped in sealant. good luk

Apr 02, 2011 | 2003 Mercury Grand Marquis

2 Answers

Need to change fan motor control switch? Only works on high setting.


this problem is not caused by the switch, it is caused by a defective blower motor speed control resistor, the resistor is located near the blower motor.

Sep 22, 2010 | 2003 Mercury Grand Marquis

2 Answers

Blower fan not working for heat or AC. checked electrical on motor and it's OK. What else can I check?


check the blower motor resistor- located next to the blower motor- or check the fuses.

Nov 28, 2009 | 2003 Mercury Grand Marquis

1 Answer

Ac or heat wont blow


Needs a blower motor resistor if the fan only blows on one speed. It is located underneath the firewall on the outside, near where the passenger exhaust system is. You need to take the passenger side cat converter off to get to it.

Jun 02, 2009 | 2003 Mercury Grand Marquis

1 Answer

Blower for heater on a 2000 mercury marquis works some days and doesn't some days,,,why and where do you locate a resistor?


The resistor has two screws holding it onto the plastic case. The same case that houses the blower motor. The blower cools the resistor while its running.

May 12, 2009 | 2000 Mercury Grand Marquis

1 Answer

Air conditioner blower motor only works on hig


this is caused by a defective blower motor speed control resistor, it is located near the blower motor in the air duct the blower fits into.
here is a piture of the part. Price about $18
dfc814b.jpg

May 05, 2009 | 2003 Mercury Grand Marquis

3 Answers

Location of blower motor switch resistor on 2004 Grand Marquis


The blower speed controller is located under the hood on the right or passenger side on the heater housing just to the side of the heater hoses near the very back of the right cylinder head.
Yes that would cause the concern you are having.

Feb 05, 2009 | 2000 Mercury Grand Marquis

Not finding what you are looking for?
2003 Mercury Grand Marquis Logo

689 people viewed this question

Ask a Question

Usually answered in minutes!

Top Mercury Experts

yadayada
yadayada

Level 3 Expert

75197 Answers

fordexpert

Level 3 Expert

5481 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22095 Answers

Are you a Mercury Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...