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Old 10-20-2010, 04:58 PM   #311
67C10BUB
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Join Date: Aug 2010
Location: Alta Loma, CA
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Re: Boyd Welding-67-72 Rear Mount Aluminum Tank

Quote:
Originally Posted by Daveboyd View Post
Dean,

nope no trick there should be scribes below the fittings marking positive and negative. you should sandwich an electrical connector in between the two nuts on the post don't loosen the lower nut only the top.
I see no scribes on mine indicating polarity. Can someone help???
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