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Thats normal, you turn on the lights at idle and the generator picks up the load and puts a load on the engine. Set the idle to spec and forget about it. I got 9 years out of the last battery and 43K out of the last generator and thats with alot of electrical gizmos on there so a stock system should be trouble free. Keith > > Last night I started my car up, and when I turned on the lights noticed > a significant drop in its idle. I'd bet it was as much as 50 rpm > although I didn't have the energy to measure it right then. Turned them > off again and the idle went up. I guess the fuel pump power is being > drained by the lights? > But wouldn't the brain tell it to compensate? Or is the idle a > brain-free operation. > > Now I do good deal of night driving, more than day driving in fact, so > I'm wondering whether it wouldn't make sense for me to set my idle at > night with the lights on whenever I do a tune-up, and adjust it if I > ever need to make a long daytime road trip. > > -M > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ~ Shameless link for search engines: http://listarchive.type3.org ~ > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > >