old kickers

[bopo668 10+ year member]

its not marked witch is + or witch - how do i tell

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[brtnboarder3241 5,000+ posts]

are there 2 colors red and black?

 

[bopo668 10+ year member]

nope

 

[bopo668 10+ year member]

i figured it out

 

[mile098 10+ year member]

take a 1.5v battery put one wire on the minus pole and with the other wire touch the plus...if the cone is moving up the polarity is ok if its moving back its reversed