Purge Solenoid - too much load?

[Subaru_EA82_4EAT_AWD]

Will a Purge Solenoid be okay off an MS3 or ms3x output directly or do you reckon I should go through a relay?

thanks guys.

[jsmcortina]

It depends on the current draw!!

I found that my NOS branded "sniper" style solenoid drew too much current for the MS3X outputs and they went into current limit mode.

James

[Subaru_EA82_4EAT_AWD]

Right. So, the ms3x has safetys build in does it? That sounds handy!

Is there a way I can calculate current draw if I know the resistance of the solenoid?

[Matt Cramer]

Right. So, the ms3x has safetys build in does it? That sounds handy!

Is there a way I can calculate current draw if I know the resistance of the solenoid?

Ohm's Law. V = IR.

[Subaru_EA82_4EAT_AWD]

Any chance you could dumb that down for me?

...Volts = InternalResistance?

[jsmcortina]

Type Ohms Law into your favourite search engine.

James