Blower motor problem
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Blower motor problem
by Wmamula04 » Mon Apr 05, 2021 7:22 pm
my 91 Trooper is having a blower motor issue. It has no power once so ever to the motor. I believe I’ve checked every fuse and relay and they all seem fine. The motor itself is fine as well. Any ideas on what could be the problem?
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Re: Blower motor problem
by Tentin » Mon Apr 05, 2021 7:33 pm
Blower motor resistor? Sounds like what I'm dealing with right now on my amigo. I unplugged it and bypassed it with a jumper wire so I have full on and full off (just no speed control) until my new part arrives.
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Re: Blower motor problem
by Wmamula04 » Mon Apr 05, 2021 7:57 pm
Tentin wrote:Blower motor resistor? Sounds like what I'm dealing with right now on my amigo. I unplugged it and bypassed it with a jumper wire so I have full on and full off (just no speed control) until my new part arrives.
Where is the resistor? I’m not too sure if I checked that.
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Re: Blower motor problem
by Tentin » Mon Apr 05, 2021 9:34 pm
On the drivers side by the heater box I believe for a 1st gen. Newer ones have it behind the glovebox right next to the blower motor.
1995 Isuzu Pickup 4WD aka Suzie Q. 3" lift, 32" A/T's
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Re: Blower motor problem
by mudoilngears » Mon Apr 05, 2021 10:07 pm
The resistor pack is only used on speeds 1-3. 4 is full battery power to the motor. If 4 does not work it is unlikely to be a resistor failure.
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Re: Blower motor problem
by Wmamula04 » Tue Apr 06, 2021 7:39 pm
mudoilngears wrote:The resistor pack is only used on speeds 1-3. 4 is full battery power to the motor. If 4 does not work it is unlikely to be a resistor failure.
It has 5 settings including off. If it’s unlikely to be a resistor what should I try next?
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Re: Blower motor problem
by JoeIsuzu » Tue Apr 06, 2021 8:05 pm
Is the charge warning relay getting current? Is current coming out?
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Re: Blower motor problem
by Tentin » Tue Apr 06, 2021 9:24 pm
Mine was a 5 pin too. Try a jumper wire on the connector from the "off" wire (should be center) to one of the other wires, then set your fan to that setting and see if it turns on. It'll be full blast since there's no resistor but should tell you that if it works that your resistor is fried. Mine was completely toast probably caused by the blower motor being seized, which I took apart and relubed.
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Re: Blower motor problem
by Wmamula04 » Tue Apr 06, 2021 9:56 pm
JoeIsuzu wrote:Is the charge warning relay getting current? Is current coming out?
Jack
Not to sure on where or what that is haha
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Re: Blower motor problem
by Wmamula04 » Tue Apr 06, 2021 9:58 pm
If it helps at all I have been having issues with my battery charging. The alternator still puts out the correct voltage however
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