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2000 Kia Sephia 1.8, 1984 Nissan 720 pickup,
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Discussion Starter #1
I put a brand new blower motor and resistor on the car and the blower motor seems a little slow. On full blast. The air coming out feels like a quarter of a turn on the fan dial in my 99 civic. Is this normal or do I have to fix something?
 

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1985 Subaru Loyale (wagon), 2000 Kia Sephia (sedan), and 1969 Mercury Comet (coupé)
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2,858 Posts
The new Blower Motor and Resistor Pack, are for a Kia Sephia or Somethin' else?

If they're for a Sephia, then check the wiring, because they tend to burn terminals...

Kind Regards.
 

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2000 Kia Sephia 1.8, 1984 Nissan 720 pickup,
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3 Posts
Discussion Starter #3
Any terminals or wiring in particular? And yes the new blower motor and resistor are vehicle specific. I looked at the wiring by removing the entire thing but everything looks in order.
 

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2008 SpectraSX, 2014 Optima LX,2006 Jeep Liberty, Linux Mint Mate
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I noticed that the OP didn't mention the blower speed selector switch or the connections to the switch...
The blower motor draws a lot of current and current through a resistor drops the voltage to the motor and the speed drops with it... Likewise a bad connection (high resistance) either a bad switch or a burnt slide on connection will also slow the motor... If you take a light probe to the wire connector that plugs into the motor with the ignition on and the blower switch on one of the two will light the light... That is the positive (+) terminal (+12v) the other connector is negative/ground (body of car ground)... Now that you have identified what terminal is what you can ground the negative terminal and put +12v on the positive terminal on the motor ... If the motor spins fast then you have a wiring problem that is usually a burnt connector at the switch, dropping resistor, or at the motor... Check all three... I know on the 2004.5 on Spectras there is also a cabin filter located behind the glove box that gets badly plugged up with leaves,dirt, pollen... That can also limit the air flow... I'm not sure that you have a filter in the 2000 Sephia... You can get a light probe at Harbor Freight... see
check out HOW to use this tool on YouTube
Dave
 
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