Question about 1996 Isuzu Trooper

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Blower motor or switch

My blower motor only works on high. Is this a switch or motor problem most of the time.

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  • Kevin Bailey
    Kevin Bailey Feb 19, 2012

    Is the blower resistor mounted to the left of the motor in the air box?

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  • Master
  • 1,212 Answers

If the blower motor works on high, the resistor is the fault. Check condition of wire harness when you replace the resistor, if there is any corrosion on the connectors in the harness- replace that section of harness as well, otherwise you will likely have another failed resistor and potentially have a fire hazard as the corroded terminals heat up and current draw through the wire increases as well.

Posted on Feb 19, 2012

  • John McPherson Feb 19, 2012

    Yes, it should more than 2 terminals normally.

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: Heater Blower won't work

There was a bulletin reguarding water contaminating the blower motor, which overheats the blower resistor and renders it inoperative. The fix was to replace the blower and the resistor and seal the culprit hood cowl screw at the base of the windshield, which is the second screw from the passenger side. They say water drips off of it down into the fresh air opening.
Here's what I'd do: Assuming your switch and blower motor is good, replace the blower resistor. Remove the blower motor and see if it spins without any excessive drag. If it's okay, reuse it. If it's dragging, it will overheat your new resistor in a short period of time and you'll be back at square one. The blower resistor is mounted to the front of the case with 2 screws to the left of the blower motor. Remove the glove box and you'll see it.
The Hood cowl screw is straight down into the cowl, the second one from the right side, about 10-12 inches from the right fender. Pull it out, put some sealer on it, and reinstall it.

Posted on Oct 02, 2009

SOURCE: blower motor will not operate.

Replace the resistor

Posted on Oct 13, 2008

  • 1 Answer

SOURCE: AC blower motor

i had the same problem on my 2002 Axiom, I took it to the dealer and they said the blower motor is going out. They replaced it with a new one and it works fine now!

Posted on Dec 13, 2008

  • 13 Answers

SOURCE: Blower Motor Resistor for front AC/Heater

remove glove box....its in the casing near motor.....2 screws and 1 connector

Posted on Feb 15, 2009

  • 7353 Answers

SOURCE: Blower motor on 96 Isuzu Rodeo does not blow on

if fuses are good, check for power at blower motor, when truck is running and a/c on. the resistor and the switch provide ground, so the blue/white wire should have power, and the blue/black wire should have NO power, if it does have power, then most likely the resistor is bad. if it has no power and the motor doesnt run, the motor is bad.

Posted on Oct 20, 2009

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