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block heater draw

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Old Feb 11, 2006 | 08:10 AM
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lenbo06776's Avatar
lenbo06776
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block heater draw

does anybody know how many amps the block heater should draw while its pluged in ,mine is only 0.1 and my 88 f-250 doesn't start below 30 degr.all help is appreciated guys thank you
 
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Old Feb 11, 2006 | 12:04 PM
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Dave Sponaugle
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I have had several different ones over the years.
The smallest one was 600 watts which would be 5 amps. (21 ohms resistance)
The biggest one was 1500 watts which would be 13 amps. (8.8 ohms resistance)

Are you reading amps or ohms?
 
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