Heater control won't work until the 3rd setting // EK
01-31-2005, 09:35 AM
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Heater control won't work until the 3rd setting // EK
Hey guys I tried to do a search for the heater control but no dice. My friends car is a 1998 Honda Civic EX 2 door. Her heater control doesn't work until she clicks it onto the 3rd setting and when there, it acts as the 3rd setting would (meaning it blows out strong) <---- this kinda disproves my idea that the heater control cable was loose or out of place. Do you guys have any suggestions as to what can be done to alleviate the problem? Thanks in advanced!
01-31-2005, 09:49 AM
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Re: Heater control won't work until the 3rd setting // EK (thenick)
if it is anything like the old mazda's and some toyota's, it is a blower resistor. if honda's have one.
01-31-2005, 09:49 AM
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Re: Heater control won't work until the 3rd setting // EK (thenick)
My roomate in college had this happen to him in his Sebring. It ended up being the blower motor.
01-31-2005, 09:56 AM
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Re: Heater control won't work until the 3rd setting // EK (thenick)
It's either the switch or the fan blower itself. I'm not sure if there's a way to test the fan, but I've replaced a few and they're about $10 from the yard, so you might want to try that. It's not uncommon for them to go after about 5 years or so.
01-31-2005, 12:27 PM
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Re: Heater control won't work until the 3rd setting // EK (EX_AutoXer)
It's the blower resistor.. Mine went out a while back.. I believe its on the back of the temp control panel, but It's been a while, and I could be wrong.
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09-25-2005, 03:25 PM
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Re: Heater control won't work until the 3rd setting // EK (thenick)
It is the blower resistor. In the low position there are three resistor in series with the blower motor voltage (slowest speed) when you switch to the next posistion only two of the three is in series, allowing a higher voltage to reach the motor. In the third position it only goes through one of the resistors providing an even higher vlotage to get to the motor. In the high position there are no resistors in series with the motor so it gets full voltage highest speed.
The resistor block is on the blower motor housing (in the air flow of the blower motor to keep it cool). Disconnect the cable that goes to it (not the one to the side of the blower motor itself). Two philips screws hold it on the blower housing take it out and replace it. You will find that two of the three resistors are open circuts
The resistor block is on the blower motor housing (in the air flow of the blower motor to keep it cool). Disconnect the cable that goes to it (not the one to the side of the blower motor itself). Two philips screws hold it on the blower housing take it out and replace it. You will find that two of the three resistors are open circuts
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