About the Amps ground Click here to see the discount DVD packages. The reason that I have a capacitor is that my GT Has an underdrive pulley which underdrives the alternator, and would like to protect my aftermarket HIDS from power issues. In a mirror image of the power distribution block, the individual amps should be connected to the ground distribution block, which in turn should be connected to a good chassis ground. Add new comment. About This Article. I would strongly suggest buying the proper size.
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If your lights dim severely, a capacitor might not be enough. Alternatively, play the bass as loud as you can and see if your dome lights dim or not.