Star washers work nice in conjunction with ring terminals too. Use a ground wire from the batt terminal to the firewall.

I heard grounding to the strut tower is a no-no. Is this true, or only for some cars?

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maybe the alt isn't strong enough?

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My car stereo.... the never ending saga.....

its also a good idea to upgrade the alternator if you have the cash

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Evil Clones of A-Rok, chief of the wanaktuub tribe