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Battery light came on replaced ALT but still on.

Tiny
SHADETREE PRO
  • MEMBER
  • 1999 CHRYSLER TOWN AND COUNTRY
  • 216,000 MILES
Battery light came on replaced alt but still on? Had no issues with except oil light came on spuraticly
Friday, November 30th, 2012 AT 2:39 AM

3 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,874 POSTS
What tests did you do and what were the results? Have you measured the voltages on the two smaller wires on the alternator while the engine was running?
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Friday, November 30th, 2012 AT 3:03 AM
Tiny
SHADETREE PRO
  • MEMBER
  • 2 POSTS
Originally 13 without lights on and below 10 with. Changed alt same battery light then running less than 8 amps or volts with lights on. Very confusing because have had no lights flickering or anything strange.
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Friday, November 30th, 2012 AT 3:15 AM
Tiny
CARADIODOC
  • MECHANIC
  • 33,874 POSTS
Are those 13 and 10 volts on the two smaller wires on the back of the alternator? If they are, the input circuit is working. Measure the voltage on the fat bolted-on output wire with the engine off and with it running.
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Friday, November 30th, 2012 AT 11:19 AM

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