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<blockquote data-quote="HCCA" data-source="post: 6622244" data-attributes="member: 571196">No, the power wire is blue. The ground is the clear insulation jacket. Black loom, maybe, but clear insulation jacket just the same. Ordinarily, it&#039;s black=ground, red=power. But, in the CS industry, there have been lots of people substituting their own colors. As long as you know what they are, regarding + vs -.&nbsp;Just touch one wire to your pos, on your car battery, and the other to the neg. Note which way the fan blows. Mark it, so you know which way you want the fan to blow, when you mount it.&nbsp; I did not notice much, if any difference in the big three, on my vehicle. Other vehicles might make a difference, but there was little difference on mine. There were some very important things to note, on my install, though. As close as I can determine, in order of improvement.... The addition of SS sound dampening (and LLP); the bracing added to my doors; the sealing of the doors; And, experimenting with crossover points &amp;amp; slopes. The EQ made a big difference, of course. I think it always does, and DC Power alt... The things that didn&#039;t seem to make a difference. Big 3; routing of the signal/power wires; subs facing up vs back.</blockquote>

[QUOTE="HCCA, post: 6622244, member: 571196"] No, the power wire is blue. The ground is the clear insulation jacket. Black loom, maybe, but clear insulation jacket just the same. Ordinarily, it's black=ground, red=power. But, in the CS industry, there have been lots of people substituting their own colors. As long as you know what they are, regarding + vs -. Just touch one wire to your pos, on your car battery, and the other to the neg. Note which way the fan blows. Mark it, so you know which way you want the fan to blow, when you mount it. I did not notice much, if any difference in the big three, on my vehicle. Other vehicles might make a difference, but there was little difference on mine. There were some very important things to note, on my install, though. As close as I can determine, in order of improvement.... The addition of SS sound dampening (and LLP); the bracing added to my doors; the sealing of the doors; And, experimenting with crossover points & slopes. The EQ made a big difference, of course. I think it always does, and DC Power alt... The things that didn't seem to make a difference. Big 3; routing of the signal/power wires; subs facing up vs back. [/QUOTE]

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