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Glow Plugs - how to find the correct current draw
I want to work out the current draw for 3 of the HKT B-049 devices .
Then I have to test the devices in situ somehow .
Resistance will be negligable I suppose so anyone know of a site to get this or any other approach?
They are in Parallel to neg ground 12 Volt in a tractor
I have googled the brand and only got a couple of sites without data on current
I don't have a current meter with the capacity to Just read it as I think it will be well over 10 amps.
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Well in case anybody reads this I buillt a current measurement kit from Altronics which reads current from a clamp around one lead up to 60 plus amps.
These plugs draw 20 amps ! when connected to 12 Volts and measure .4 Ohms resistance cool. Resistance did not change as they heated up.
Resistance of 3 in paralell should be .133 Ohms if all three working or .20 Ohms if one is burnt out or .4ohms if two burnt out or zero if any one is shorted Right?
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