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Most late model cars and trucks have the charging voltage controlled by the computer / ecm/pcm/bcm.

I have seen way too many problems caused in modern autos, (80 and newer), caused by add on electrical items such as alarms, stereos, etc, to ever want to add anything to my jeep. In every case, the removal of the add on fixed the problem for good. I also run Optima type batteries, and have never had a bad one, but that doesnt mean it doesnt happen.

As far as the counter people at the local parts store, they dont hire them for thier knowledge, but for how cheap and how many hours they will work.(ME)  I need 2 feet of 3/8 fuel line please.  (them) OK , what is it going on?) :cursing: I have known only about a dozen really good parts people, both women and men, and every one of them left the business, sooner than later because of being treated like crap.


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