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Did a search and turned up a large number of posts about a battery light at HIGH rpm's being an alternator problem. I've had a hunch my problem is also the alternator but its a bit different than all these other posts. And the weirdest part is, it seemed to go away today.
Anyway: Drove 4hrs home from the end of summer bash we had in SE MI on a beautiful sunny day, and once I got off the freeway and my RPM's lowered down to about 2500 (were steady at ~3250 or so on the freeway at 80 mph) my battery light was coming on. Punch the throttle and it goes away. Let the RPM's drop or car idle it would come back. Since Sunday and these initial symptoms, its been coming on less and less, but when it does its when the RPM's are droppping or almost idle. But today, I didnt get the light at all yet.
Here's my last log entry for an alternator:
2/7/03 100,500 Miles
Replaced Alternator and Tensioner Pulley
Mileage on the car is at 151,000 now.
What do you all think about this wierdness? Maybe I should replace the alternator anyway?
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Try cleaning the wiring terminals first (battery clamps, terminals, alternator terminals and wiring). Also check to see if any of the wiring is chafed or bent or exposed (metal portion).
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
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Good find Crystian. Thanks.
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
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good suggestions, I'll try those out. So this doesn't seem to be an alternator problem then?
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Certainly does seem to be the alternator; However, you should always try the cheaper (inspect wire, etc) things before yanking the alternator.
Ray
'99 CSVT - Silver #222/276
In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog: I like to wear dresses and use binoculars to watch grandmas across the street.
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Originally posted by Ray: Certainly does seem to be the alternator; However, you should always try the cheaper (inspect wire, etc) things before yanking the alternator.
Ray
i second that. i replaced mine and i was so dissappointed afterwards because the dimming was still there. but i can probably change it in 2 hours tops now. the wiring fix takes about 1 hour if you take your time and who know it might save you the money and hastle of removing and replacing. let me know if you have any questions regarding the wiring fix.
Ohh by the way. i didnt originally find this link. someone else had posted it and i found it after careful reading of all the posts related to flickering. it seems most of the time the reccomended fix is to replace the alternator.
Last edited by GoldenTour; 09/06/05 05:38 PM.
~Crystian
2000 Se sport
2001 Lightning(Sorry!your mom cant come with us)
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Goldentour if this works out and fixes my flickering problem.. I will be permanently indebted to you. My car flickers so so so so bad. Like road signs flash at me because my lights flicker so bad. I've read everything i can on this topic, everyone says replace the alternator. Well that didn't help. I've made posts before, but no good help. I regrounded everything in the engine bay area with nice new thick cables. No help.
Sorry bout the complaining but this has been driving me up the wall. OK so as far as this fix goes. 1. Cut the red wire on the 3 wire harness. 2. Attach it to the thick alternator wire via a round cable end or something of the sort.
Is that it?? do i leave the other end of that wire attached to nothing??
1998.5 Diamond White Pearl SVT (#4725)
custom exhaust/intake k&N/mod'ed y-pipe
slotted rotors/greenstuff pads/SS lines
cougar trans/FSVT shift tower/Torsen
16lb. flywheel
18" Velox VX-8's with some rubba bands
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You are correct. but let me summarize: 1. cut red wire from 3 wire plug from alternator. 2. extend the red wire STILL HANGING from the connector to the main CHARGING wire. 3. the red wire going into the harness is no longer used. TAPE IT UP!! Heres a Pic of the final wiring. The PINK wire is your new extension. AGAIN, i cant take credit for this, and yeah i really feel for all of us who have replaced the alternator and did not see any benefit.
~Crystian
2000 Se sport
2001 Lightning(Sorry!your mom cant come with us)
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Originally posted by GoldenTour: i can probably change it in 2 hours tops now. the wiring fix takes about 1 hour if you take your time and who know it might save you the money and hastle of removing and replacing.
It appears that we can do the wiring fix without removing the alternator. Correct?
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
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