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| Fuel Heater Resistance http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=78888 |
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| Author: | One65 [ Sat Apr 19, 2014 11:49 pm ] |
| Post subject: | Fuel Heater Resistance |
Hello all, My first real post; been lurking for weeks. Replaced the badly leaking gen 1 fuel head tonight with a second generation unit. The resistance of the heater in the new head is less than 1 ohm; the old one is approximately 150 ohm. I wouldn't have expected the wattage of the new one to be quite that high; but I wouldn't have expected the old to be that low. I am assuming the new to be correct and the old to be sick. Does anyone know the resistance of the new heaters? |
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| Author: | CATCRD [ Tue Apr 22, 2014 11:38 pm ] |
| Post subject: | Re: Fuel Heater Resistance |
Just checked both of mine are 1 ohm. |
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| Author: | ATXKJ [ Sat Apr 26, 2014 11:29 pm ] |
| Post subject: | Re: Fuel Heater Resistance |
I think the resistance is temperature sensitive i.e. that's why it heats. if it's cold - high resistance - generates heat from the current as it warms - resistance drops. although 150 still sounds high |
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| Author: | One65 [ Mon Apr 28, 2014 12:51 am ] |
| Post subject: | Re: Fuel Heater Resistance |
Follow up - the resistance is about 0.7 - 0.8 ohm. I checked the fuse size later and found it was 20A, which is appropriate. Thanks for the replies. |
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