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Tool Talk Discussion Forum

Re: Solenoid switch

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dr sportster

03-23-2013 15:43:00

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Looks like a relay. A solenoid has moving parts as it is a linear motor.

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03-23-2013 16:12:55

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 Re: Solenoid switch in reply to dr sportster, 03-23-2013 15:43:00  
Hello dr sportster

It is a solenoid switch. That is what I called these things for many moons. This one is internally grounded. Inside there are a few parts. A spring loaded bar that makes contact between the two lugs. A metal cup with hole in the center for the plunger to act on when the solenoid is energized. A coil winding with an iron plunger that moves against the spring loaded pin and bar assembly that make the bar contact the two lugs. Thus transfer the battery power to the other lug energizing the starter.
Ground for the coil is accomplished with a spring, form the ground side of the coil to the matel portion of the solenoid. Ones the unit is mounter, it will make the ground for the coil.
Ignition power to the coil will activate the solenoid.


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dr sportster

03-23-2013 19:02:41

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 Re: Solenoid switch in reply to GUIDO, 03-23-2013 16:12:55  
Thanks for the explanation.

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03-24-2013 07:06:40

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 Re: Solenoid switch in reply to dr sportster, 03-23-2013 19:02:41  

Hello dr sportster,

The rest of the story!


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36 coupe

03-23-2013 15:51:08

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 Re: Solenoid switch in reply to dr sportster, 03-23-2013 15:43:00  
In auto work its a solenoid.It moves a core a distance to close the contacts.

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