Re: Relay has double contacts ?? why



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FWIW, only one set looks like full current contacts. IMO, it may be a relay used for other purposes and they don't want to run current through the light duty points.
N
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No other use than supplying power to the glow plugs, turning a dash lamp on and off, that's it.
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This is my best guess. N
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There's no other purpose, dash lamp and glow plugs.
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Hank WD5JFR
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Sometimes there are two ,where one set takes the first high current ,then the other set assure there is a true connection.

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The picture doesn't imply this. I suspect they don't want to run current through the second pair.
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Perhaps the second pair of contacts make a momentary connection during the initial closure, then spring back?
...Jim Thompson
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Jim Thompson wrote:

that is exactly what i suggested also. i have seen that config before used as a peek and hold relay.
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