Hyundai Sonata: Keeps Blowing A/C Fuse
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Date: 2020-08-05
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Comments and reviews: 9
Fred
Hi Eric, I had occasion to do exactly as this video last week, I know I am retired but I cant help sticking my nose in sometimes, this one blew a/c fuses without the engine running, the funny thing is I think they fitted two Patten pumps and it done the same. I said well has anyone measured the resistance of the clutch winding. no lol, I measured it and in both cases it was 0. 9 to 1 ohm, practically a dead short, so as you did I reasoned out by ohms law it was drawing about 12 to 15 amps through a 10 amp fuse, so it blew, you cant break the laws of physics Eric, I think they got over it by putting one on that had about 3ohms resistance. cheers great video yet again. from Fred in England.
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Hi Eric, I had occasion to do exactly as this video last week, I know I am retired but I cant help sticking my nose in sometimes, this one blew a/c fuses without the engine running, the funny thing is I think they fitted two Patten pumps and it done the same. I said well has anyone measured the resistance of the clutch winding. no lol, I measured it and in both cases it was 0. 9 to 1 ohm, practically a dead short, so as you did I reasoned out by ohms law it was drawing about 12 to 15 amps through a 10 amp fuse, so it blew, you cant break the laws of physics Eric, I think they got over it by putting one on that had about 3ohms resistance. cheers great video yet again. from Fred in England.
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Jeremy
im having the same issue with my 2010 p7b crown victoria. as you mention it can go days with a fuse being blown or an hour later and some time the fuse blow soon as i turn the ac on. the fuse also blow while on defrost. once before i put the car into gear and the fuse blew and the ignition fuse blew also. ( the fuse is a 10a label AC MODE SWITCH) i have put a 15a-20a fuse in and blown both. i have had people say its an electrical short and even the blower motor resistor.
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im having the same issue with my 2010 p7b crown victoria. as you mention it can go days with a fuse being blown or an hour later and some time the fuse blow soon as i turn the ac on. the fuse also blow while on defrost. once before i put the car into gear and the fuse blew and the ignition fuse blew also. ( the fuse is a 10a label AC MODE SWITCH) i have put a 15a-20a fuse in and blown both. i have had people say its an electrical short and even the blower motor resistor.
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Wes
I ordered those Kiwi Pliers about 4 hours before i came here. I went on Google and this video came up in a search result for them. Fancy Vantage Pro you got there Eric lol. I'm stuck with a hacked Modis that is behind on updates but just use it for the 4CH scope. But if I really wanna get into any computer I have a pretty neat Autel Tablet.
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I ordered those Kiwi Pliers about 4 hours before i came here. I went on Google and this video came up in a search result for them. Fancy Vantage Pro you got there Eric lol. I'm stuck with a hacked Modis that is behind on updates but just use it for the 4CH scope. But if I really wanna get into any computer I have a pretty neat Autel Tablet.
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Bryan
Fuses aren't magic- a typical 10A ATO fuse might pass a 200% current (20A) for 20 seconds to 2 or more minutes and still be within specs. Different fuse makers use different test criteria. Point being that it will not necessarily blow at exactly 10A. There are differences in quality- buy from name brand companies if you need certainty.
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Fuses aren't magic- a typical 10A ATO fuse might pass a 200% current (20A) for 20 seconds to 2 or more minutes and still be within specs. Different fuse makers use different test criteria. Point being that it will not necessarily blow at exactly 10A. There are differences in quality- buy from name brand companies if you need certainty.
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Mike
Great Video. The A/C is up and running! Beware of offshore 10 amp fuses! My old Fluke 87 has a 10 amp max current measurement, has an EXPENSIVE 15 Amp slow blow fuse. Use an inline 10 amp fuse in its own holder with plug in ends. Better to blow a regular 10 amp mini fuse than an EXPENSIVE 15 Amp slo blow fuse AND the meter!
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Great Video. The A/C is up and running! Beware of offshore 10 amp fuses! My old Fluke 87 has a 10 amp max current measurement, has an EXPENSIVE 15 Amp slow blow fuse. Use an inline 10 amp fuse in its own holder with plug in ends. Better to blow a regular 10 amp mini fuse than an EXPENSIVE 15 Amp slo blow fuse AND the meter!
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townsent1
Keep immediately blowing my interior ACon fuse on my 2006 Hyundai Tucson. Disconnected the ac control, still popped the fuse. Disconnected AC compressor electrical connection, still popped. Even though its interior fuse, would it still pop if its bad ground in engine bay?
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Keep immediately blowing my interior ACon fuse on my 2006 Hyundai Tucson. Disconnected the ac control, still popped the fuse. Disconnected AC compressor electrical connection, still popped. Even though its interior fuse, would it still pop if its bad ground in engine bay?
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cameron
Hey got a unrelated question, my 05 Silverado 1500 the a/c blows cold for 30mins then goes hot, heater hoses not hooked up and the compressor quits turning. I bypassed the pressure switch and the air coming out of the vents never decreased, any ideas
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Hey got a unrelated question, my 05 Silverado 1500 the a/c blows cold for 30mins then goes hot, heater hoses not hooked up and the compressor quits turning. I bypassed the pressure switch and the air coming out of the vents never decreased, any ideas
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HayabusaRydr
They make several different types of fuses. Some have a buffer built in and some are considered slow blow which is what i used to use in audio competitions back in the day. Just a bit of info i can give you Eric since you give us so much
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They make several different types of fuses. Some have a buffer built in and some are considered slow blow which is what i used to use in audio competitions back in the day. Just a bit of info i can give you Eric since you give us so much
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canuckguy
I used to know how many cigarette wrappers would be the right amperage. they were metallic and used often to fix a fuse blown. those were wrapped around the old glass fuses and pushed back into performance.
Everyone used those. lol
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I used to know how many cigarette wrappers would be the right amperage. they were metallic and used often to fix a fuse blown. those were wrapped around the old glass fuses and pushed back into performance.
Everyone used those. lol
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