1990 Bronco Ii - Blower
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1990 Bronco Ii - Blower
I just purchased a 1990 Bronco II for my daughter. When I turn on the heat she gets heat but it doesn't blow very hard. You have to put your hand over the vents to feel any air. Can the blower motor be upgraded so it blows more air?
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Joined: Mar 2004
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From: MARYLAND
when you change the fan speeds does the motor spin faster/slower?
sounds like it could be the voltage relay..located on the fire wall under the hood in the big plastic housing where the fan motor is.
sounds like it could be the voltage relay..located on the fire wall under the hood in the big plastic housing where the fan motor is.
Post Fiend
Joined: Jun 2002
Posts: 13,873
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From: Atlanta GA
You most likely need the blower motor resistor, look under the hood, pass. side, for a little black square held with two screws with wires going to it near the blower motor. Once removed it will have a metal coil on a board with resistors.
Cost about $20. Usually goes because the housing is stuffed with leaves and stuff, scoop it out and vacuum it out.
Cost about $20. Usually goes because the housing is stuffed with leaves and stuff, scoop it out and vacuum it out.
Senior User
Joined: Sep 2002
Posts: 297
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From: Butner,NC
Had the same problem with a 86 I purchased in June. My problem wasn't the resistor but years of leaves and debris falling through the cowl vents and packing in at the blower wheel; one hour with my shop vac and good as new.
1st Gear
Joined: Nov 2023
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BLOWER MOTOR
I had the same issue, tore apart the heaterbox hoping to find something wrong and clean it. Nothing wrong in there and clean. For ****s and grins I turned on blower out of box and found was spinning counter clockwise. Someone had put in new blower motor and wired it reverse polarity. Corrected wiring and blows like it should.
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