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My son lost the battery holder for his Magnum Sport some years ago. His car car is a basket case. I want to power it up and see if transmitter and receiver work. I thought I would use variable low voltage power supply and hook to the contacts inside the pistol grip. But I don't know the polarity of each pin.

Hoping somebody out there would have an old battery holder that shows the polarity of the pins. I am sure with my luck I would hook it up backwards and blow something if I took a guess.

Many thanks,
Chris

Looks like the lowest hanging tab is going to the spring side, so that's your negative.

Thanks gomachv,

If I understand you correctly, when this battery holder is installed, the pin nearest to my body is negative. And, the one fartherst away is positive?

That's how I see it just going by the pic

OK, thanks