LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Fuel pump, fuel pump resistor current draw

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Old 04-13-21, 02:00 PM
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YODAONE
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Default Fuel pump, fuel pump resistor current draw

Does anyone know Amperage for fuel pump in tandem with fuel pump resistor or each separately?

Thanks.

Last edited by YODAONE; 04-13-21 at 02:13 PM.
Old 04-17-21, 03:41 AM
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Yamae
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I wouldn't ask this any one. I would get the result easily just measuring the dropped voltage at the fuel pump resistor. Divide it by 0.69Ω and you will know the current since the current is obtained by the Ohm's law I=E/R.
The full current can be measured just setting the mode current and attache probes to the resistor's both ends. Of course the meter can be capable to measure 10A or more.
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