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Heater Blower

Tiny
CLAY1118
  • MEMBER
  • 2000 HYUNDAI ACCENT
  • 200,000 MILES
I have a 2000 Hyundai Accent GL. The heater fan/blower will not work. I have switched out relays/fuses. Change the resistor. The blower its self will work if straight wired. When plugged in and the switch is on I can feel the bottom of the blower and it feels like something like current or something. I don't really know how to explain it. Also when I push in the air condition button the light does not come on. I don't know if its related or not. Any help would be appreciated.
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Monday, March 7th, 2016 AT 5:17 PM

13 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The first thing you have to do is test for both power and ground at the motor. Which one is missing, if any will determine where you go next.
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Tuesday, March 8th, 2016 AT 2:17 AM
Tiny
CLAY1118
  • MEMBER
  • 7 POSTS
I have tested them and there is no power at the motor.
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Tuesday, March 8th, 2016 AT 2:01 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
OK, the feed for the relay comes from a 30A fusible link in the engine compartment fuse box. The trigger power for the relay comes from fuse #10 in the instrument panel fuse box.

https://www.2carpros.com/images/external/86523610.jpg.gif
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Tuesday, March 8th, 2016 AT 3:17 PM
Tiny
CLAY1118
  • MEMBER
  • 7 POSTS
The number 10 fuse. Is that under the dash. The reason why I'm asking is there is nothing pertaining to the heater under the dash.
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Tuesday, March 8th, 2016 AT 5:11 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Oh yes, there is.
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Tuesday, March 8th, 2016 AT 5:13 PM
Tiny
CLAY1118
  • MEMBER
  • 7 POSTS
Ok I've check the fuses and the fusible link. I am not getting any power to the fusible 30A link. So what does that mean?
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Sunday, March 13th, 2016 AT 3:15 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
I don't know how you cannot have power at at least one side of the fusible link. It is fed by the 100A fusible link for the alternator, right at the fuse box. If it's only one side of the link that has no power, then the link is burnt out. If you really have no power at either end, you must have a problem with the fuse box itself.
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Sunday, March 13th, 2016 AT 3:24 PM
Tiny
CLAY1118
  • MEMBER
  • 7 POSTS
Okay, Could that 100A fuse make the alternator seem like its bad. Because today the battery light was on. So I took the hot post off the battery and the car died.
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Sunday, March 13th, 2016 AT 3:49 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Please don't do that. That is the fastest way to fry every computer in your car. Yes, that is the link between your battery and the alternator.
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Sunday, March 13th, 2016 AT 4:05 PM
Tiny
CLAY1118
  • MEMBER
  • 7 POSTS
Well, my next question is. Would my car still start if that 100A fusible link is bad.
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Sunday, March 13th, 2016 AT 4:28 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Probably not, the 100 amp fuse feeds any computer driven devices such as the PCM and BCM of the car.
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Monday, March 14th, 2016 AT 3:13 PM
Tiny
CLAY1118
  • MEMBER
  • 7 POSTS
Well I guess there something wrong with the fuse box.
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Monday, March 14th, 2016 AT 5:18 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Sure sound like it, please get back to us with what you find so it can help others
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-1
Tuesday, March 15th, 2016 AT 9:27 AM

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