Charging problems
I have a 95 SE i have charging issues, New battery, clean cables, and on the 3rd Alternator, after installing the alternator i runs find for about a hour and then the battery gauge dips back down into the red and my warning light go on and i get a beeping noise, after alternator is installed i get about 14.6 volts off the alternator, but after about a hour of driving or idling the alternator with dip down to 11 volt,but will also go back to normal again the alternator voltage acts like a rough idle in a sense with load 11 without load 14 but sometime vise versa.. then after a day goes about 9.8 - 10.7.... but then iit will spike and go up to normal... i am a little stumped I hate to take it to a Electrictan tomarrow is my day off ii can sepnd most of the day looking thru it but i would like to know if there are any "hotspots" to look in first... thanks for reading
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Check and test all the battery cables, clean both ends of both cables. If you have a bad cable between the battery and the alternator it won't charge the battery.
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what setting would i use on the multimeter and what would the spec on the wires be about?
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I have a few tests you can try.
https://www.gmforum.com/trouble-shooting-test-procedures-141/testing-negative-battery-cable-279492/ https://www.gmforum.com/trouble-shooting-test-procedures-141/testing-charging-system-279494/ I never got around to making up a test for the positive cable. |
Thanks alot bud, hopefully can narrow down the problem i will let you know...
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If you've been threw multiple alts, and no change, and the battery is good, that only leaves the cables, mainly the positive cable that goes from the battery to the alt.
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be sure to check inside of Bat cable end
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