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From : bio

Q: i replaced the batterys on my 97 turbo diesel last weekend. they were the original from-the-factory units so i expect after 170000 miles they were due for replacement. the truck wouldnt crank on a couple of cold mornings recently though although after i charged them up - everything seemed to work fine at least for another few weeks until the next time it wouldnt start. so the sears die-hard guy tells me i need an alternator replacement. he gives me this little printout of a test that indicates that the alternator has a bad waveform and needs replacement. his mechanic can do it later in the day with a napa alternator. i passed. from all indications i have the alternator is fine. the voltmeter fluctuates a but when cold - i presume due to the air heat grid - but after the engine warms it stays rock solid at slightly over 14 . just like it has always done. im inclined to think i dont have a problem. comments appreciated. tia. jim hall assuming you have a decent voltmeter. turn on the lights and heater blower. lights on bright fan on wide open. then check the voltage at about 1000 rpm. if its the same as with the stuff off you should have a good alternator. be sure to check the voltage right on one of the batteries. al .

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From : bio

i havent seen one but ill check around tomorrow thanks doug is there an auto zone around they will turn it off for free. -- im out in the california desert for the winter and just got a obdii code of p0441. the site says evaporative emission control system incorrect purge flow. is this something to sweat or is it just from all the rain we have been having. we were hooking up and moving our trailer to get water when it came on. any help will be greatly appreciated. doug .