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No A/C no cold or hot air blowing out

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Old 12-07-2018, 07:25 PM
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Unhappy No A/C no cold or hot air blowing out

Hi all! I have a infinit g35 2007 About 3 months ago my a/c heater stopped working. (Doesn’t blow out any air no matter what) the defroster in the back still works. It’s starting to get cold so I’ve been trying to work on it. I changed the 2 15A fuses by the drivers side fuse box and they seem to keep blowing out. I bought a new blower motor relay, I replaced it by removing the two screws on the fuse box on the drivers side and replacing the relay closest to the floor. I think I replaced the right one. I replaced it and replaced the two 15A fuses again but still no luck. I’m stuck now pleaseeeee help! Thank you!
 
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Old 12-07-2018, 08:35 PM
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Well your first task is figuring out what is causing your fuses to blow up. Disconnect/cut the wires to everything related to that fuse and start plugging stuff back in until your fuse blows up. Replace that part. This will take reading the FSM and figuring out what's in that circuit.
 
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Old 12-09-2018, 12:34 PM
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If the fuses are blowing then something is causing the circuit to draw more power then intended, unplug the blower motor then turn the fan up on high, if it doesn't blow the fuses then something failed internally in the blower motor.
 
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Old 12-09-2018, 10:31 PM
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It was the blower motor! I replaced it (literally look me 15 minutes) and replaced the two 15 fuses that kept blowing out. And Tada! My heat and ac works and IM NOT FREEZING NOMORE! Thanks everyone!
 
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Old 12-09-2018, 11:00 PM
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GJ! And next time, you know where to start!
 
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