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Ford F-150

How do you replace a blower fan motor on a 1978 Ford pick up truck with factory air?

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Wiki User
2006-04-01 13:14:49
2006-04-01 13:14:49

You have to pull the black box off of the firewall the you can get to the bolts from behind the dash

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Remove the wiring harness from the back of the blower motor. Remove the blower motor retaining screws. Remove the fan from the blower motor. Reverse the process to install the new blower motor.

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First, take a socket wrench to remove the cover of the blower motor of a 1993 Chevy truck. Then pull the motor blower out and install a new one in its place. Lastly, screw the bolts of the blower motor cover back in.

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You will have to replace it. The bearings are worn out in the blower motor.

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The blower motor can be replaced on a 1995 Chevy truck by first disconnecting the battery. It helps to take a picture of the blower motor before dismantling, so that it can be put back easily. Disconnect all the wires from the motor, then remove the bolts holding it to the firewall. Replace with the new motor and bolt it in, then connect the wires. Reconnect the battery.

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This varies a lot depending on the year of the truck. I am sorry I can't correctly answer your question

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The blower motor resistor is located under the front dash on the passenger side of the truck. It is a fairly simple job to replace...maybe 15 minutes. The blower motor resistor is located under the front dash on the passenger side of the truck. It is a fairly simple job to replace...maybe 15 minutes.

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The blower motor resistor pack is defective. Replace it.

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On the passenger side under the dash is the blower motor held in with 3 small screws. First unplug the wire harness to the blower and remove the 3 screws. Installation is in the reverse order

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The resistor motor may have went out if the heater blower quit working on a 2004 F-250 Truck. The cost to replace the motor is approximately $200.

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The blower motor speed resister is burned out.

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The fusebox which controls the blower motor is under the hood up by the firewall.

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This procedure varies between different models. We'd need to know which model you were referring to in order to answer this.

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Your truck has both. the resistor is between the switch & blower.thje resistor controls the blower speed

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The blower motor is up under the dash on the passenger side of the inside of the truck. I had to replace mine when it was approximately 1 or 2 yrs. old.

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The 1997 Dodge ram blower motor is located on the firewall in the engine compartment. The blower motor will be near the bottom, passenger side, firewall.

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RIGHT BESIDE THE BLOWER MOTOR UNDER PASSENGER SIDE OF DASH

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If it's a fan speed issue check the blower motor resistor & the blower motor. Check the plugs at the resistor and blower motor for burn marks also.

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should be on the blower itself if not there under the hood

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On the Dodge Ram truck, the heater fuse for the blower is on the fuse panel on top of the battery. There is also a blower motor resistor on the blower motor. The fuse to control the heat control panel is in the fuse box in the dash.

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You gotta start by figuring out what's wrong with it. You need to determine if it's the blower motor itself, or the power supply, then troubleshoot to determine the exact cause.

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Try wiggling the electrical connector at the blower resistor. If wiggling this connector makes the blower go on and off, turn everything off and replace the connector before anything catches fire and burns the truck down.Next, when the blower is not working, set the fan speed to hi and try gently tapping the blower with a hammer. It that makes the blower come on the blower motor is bad and should be replaced. Also, use a test light or voltmeter to check for voltage across the two wires at the blower motor when it won't work. If voltage is present but motor won't work, motor is bad.

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the blower motor is located on the passenger side firewall under the hood remove 3 or 4 bolts and the motor will come loose

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The blower resistor on a 1999 Chevy truck Z1500 is located behind the glove compartment. There is also a resistor on the firewall next to the blower motor itself.


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