Question about 1990 Ford Aerostar

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Where is the blower motor relay on 90 aerostar

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SOURCE: 95 aerostar van the heater

the motor is on the passenger side firewall and is held in by 3 have to unplug the motor pull the screws and put the new motor in the same way

Posted on Jan 24, 2009


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Locate 1997 eldorado fan motor relay

Which fan motor relay ? Cooling (radiator) fan or the heater / A/C blower motor relay ? If talking about heater / A/C blower motor it doesn't have a relay . It's computer controlled .
Late 90 Cadillac No HVAC Blower Output

Jun 11, 2017 | Cars & Trucks

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We have a 1990 Ford aerostar minivan and the blower motor isn't working. I don't know where the resistor is or where the blower motor is located. Anyone know?

Blower motor is in dashboard. Problem could be with motor windings, bearings, fuse, relay, and switch. Check them all out.

Nov 13, 2015 | Ford Cars & Trucks

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Need to find the relay for the heater so the blower will work 2001 lincoln ls

There are several Powerboxes containing Relays. One of the frequent problems in Ford makes is the Blower motor resistor. This is a control which is found by following the wires from the blower motor across the engine bay. Usually midway, the wires will connect to the part. The part will have 2 mounting bolts. About 90% of this part is hidden inside most ductworks.

Sometimes replacement is not necessary. Tapping this part with a broom handle or snowbrush will often reactivate it. Sometimes permanently. Durability of the new part is questionable; so the old reactivated part may outlast a new replacement.

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1 Answer

95 Aerostar no blower

nope.. ignition switch... most operable systems go thru the switch/relays when turned on..

Dec 29, 2013 | 1991 Ford Aerostar Extended

1 Answer

Why won't the blower motor work in my 1990 plymouth laser

you may have a relay that is not working or your blower motor is simply burnt. find the connections for the blower motor uplug and test to make sure you are getting power to the blower.if you are then test the blower motor.if that is allright then test your resistors for the different speeds .it may be one or all but in my experience 90 percent of the time the blower motor is the culprit.

Nov 21, 2011 | 1990 Plymouth Laser

2 Answers

90 buick park ave heater blower motor runs on high all the time even with key off . The heater controls don't have any effect on operation.

The switch , relay, or motor are shorted out .
First locate relay and remove it to turn the blower off.
If you want to do the diagnosis yourself ...remove the switch first and see if the motor stops. if it does you've found the culprit. If not move onto relay if the relay removal kills the motor thats good news. if it doesn't then this thing gets B+ right from the battery at HIGH SPEED. Your gonna need Shop Manual
to show you where this thing connects to the battery.
So either the switch, relay, motor , or resistors ( in your case where battery connects to the motor are your problems.
Unlessyour really good with electrical items pull the relay and bring it to a repair shop.

Mar 31, 2010 | 1991 Buick Park Avenue

3 Answers

I bought a used 94 ford aerostar w/ no manual- need to fix power window-need driver's side fuse diagram

usaly the all run off same fuse and relay so most likely u will have to replace window motor

Oct 08, 2009 | 1994 Ford Aerostar Extended

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