[Healeys] Negative ground SU fuel pump question

richard mayor boyracer466 at gmail.com
Sat May 8 23:23:59 MDT 2021

I believe I have a negative ground SU fuel pump, but I'm not sure. If I
hook it up with the wrong polarity, what will happen?  Get hot and smoke?
Is there a way to check polarity first ...... before I ruin a good fuel
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