Question about 2004 Pontiac Grand Prix

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2004 gran prix steering column wiring diagram.

I need to replace the ignition switch that supplies the blower motor fan speeds.

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I replaced the blower, and resister on my 2012 chevy. impala but blower still don't work. What fuse do I need to check


The fuse box should be under the hood, passenger side. Try the upper box, middle right side Mine is huge, 30 amp

Sep 23, 2016 | 2012 Chevrolet Chevrolet Impala LT

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A/c blower motor works if I pull power and plug back in until I cut engine off. Then I have to repeat process


Daryl, You may want to check the blower relay/ just switch with one of same type and try and if OK, problem could be the blower motor, wires/plug loose,damaged,burnt or a faulty blower motor resistor. Second link has some trouble shooting of a overheating wire problem, that is to be common in these trucks. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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Jul 19, 2016 | 2003 Chevrolet Silverado 1500

1 Answer

Wire diagram corsa


First check the fuse,if ok. Check if you still get power to the blower motor, on the plug, if so. you need to replace the blower motor and resistor. if not check power supply to blower switch,and power after the switch, if you turn switch on and off.

Apr 30, 2013 | Opel Cars & Trucks

1 Answer

1983 Chevrolet C10 Silverado: The AC compressor and heater blower motor fan will not come on.


The brown wire at the speed switch is the power wire. Powers is then directed to the blower motor resistor throught the orange, lt blue and yellows wires. The blower motor receives power through the orange wire. Check for power at the fuse with the key on. If there is no power the problem could be the ignition switch or the wiring in between the switch and the fuse block

Apr 05, 2013 | Cars & Trucks

1 Answer

1998 gran prix blower motor only works on #5 speed what can be the problem?


The fan control switch is a thermostatic control, meaning the resistant range is now out of operating range youll need to replace that control

Apr 23, 2011 | 1998 Pontiac Grand Prix

1 Answer

Where is the blower motor? heater in car dosent blow. not under hood, cant get through glover compartment.


This work for 1998 Buick Century 3.1L SFI OHV 6cyl; the blower motor is a variable speed motor. The higher the voltage applied to the motor, the faster the speed. Depending on the HVAC (Heater Ventilation Air Conditioning) option installed in the vehicle, blower speed control could be through a set of resistors or through a solid-state blower motor control module.

In general, this system is reliable. Because so many of the control operations are electronic, special diagnostic equipment really should be used for system diagnostics and check-out. An authorized technician using a scan tool can most quickly locate HVAC problems.

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Fig. Typical behind-the-instrument panel view of HVAC related components. Depending on the HVAC option, not all components are used on all vehicles (click for zoom)

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Fig. Typical HVAC operation schematic

An inoperative blower motor could be caused by the following:

* Blown fuse(s). The fuse should be replaced. There may be both a LOW BLOWER and HIGH BLOWER fuse. Some models may also call it the HVAC fuse. Even the RADIO fuse is used in some applications. Check them all. If a fuse is blown there may be a short to ground in one of the power supply circuits.
* Open Circuit. Check the circuit between the ignition switch and the blower motor, and the blower motor ground circuit. Repair as necessary. * Faulty blower switch. A faulty blower switch should be replaced. * Most heater blower circuits also include a blower motor relay (look in the underdash convenience center), as well as a blow motor resistor. These items should be checked especially if the blower runs in one or two speeds, but not all speeds selected.

REMOVAL & INSTALLATION

  1. Disconnect the negative battery cable.
  2. The blower motor is located on the passenger side of the vehicle, under the instrument panel. Remove the right side sound insulator (trim panel) by removing the retainers and disconnecting the courtesy lamp.
  3. Detach the blower motor electrical connector. Some applications may have cooling hose to the motor which should be disconnected.
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Fig. Blower motor and fan assembly removal

  1. Unfasten the blower motor mounting screws, then remove the blower motor from the vehicle.
  2. If the blower motor fan (also called a 'squirrel cage') must be replaced, use the following procedure:
NOTE Do not hammer on the motor to remove or install the fan. Do not apply force to the motor housing to seat the fan on the motor, or motor/shaft bearing damage could result. Do not apply pressure to the fan rim. Be sure the correct replacement part is used.
  1. Remove the metal star clip retaining the fan cage to the motor shaft.
  2. Remove the fan by pulling straight out.
To install:
  1. If removed, install the blower motor fan, as follows:
    1. Install the replacement fan cage onto the motor shaft.
    2. Adjust the fan cage to get a clearance of 0.30 inch (7.5mm) to the motor mount plate.
  2. Install the remaining components in the reverse of the removal procedure. Make sure the electrical connection is secure. Tighten the motor screws to 14 ft. lbs. (20 Nm).
  3. Connect the negative battery cable, then test the blower motor for proper operations


I hope this helps (remember to rate and comment this answer).

Nov 17, 2010 | 1998 Buick Century

2 Answers

My fan doesn't work and i changed the resistor blower motor and the problem didn't get fixed so i wanted to know if changing the whole part of the climate control would solve the problem. where are the...


It could be a fuse. The fuse panel is located by the lower instrument panel just to the left of the steering column. There should be a diagram there telling you which fuse is to what as well. You may also want to check in the panel that is next to your battery. It usually has a cover on it that has a diagram as well

Nov 16, 2010 | 2000 Jeep Grand Cherokee

1 Answer

2002 pontiac grand prix,no running lights,noblower motor,no back window defogger


I've been thru this mess... Replace the ignition switch (not the key portion) located inside the steering column. Don't waste your money replacing the blower motor and/or blower resistor. This is a common issue on this make/model Pontic.

Mar 21, 2010 | 2002 Pontiac Grand Prix

1 Answer

Front blower short power to ground causing 12+ volts on both power and ground wires , connecting ground wire to ground blows HVAC 40amp fuse, connecting fan power wire to ground runs fan at high speed if...


have you replaced the blower motor resistor yet,it is a printed circuit that has a floating ground.it is where the blower motor wires plug in to.if you unhook the motor wires and use your ground and hot wire on the motor it should test normal,

Jan 15, 2010 | 2001 Dodge Durango

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