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Thread Tools | Display Modes |
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#1 |
Senior Member
Join Date: Mar 2015
Location: Greenville, SC
Posts: 1,099
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Car was running fine with normal ammeter readings - new battery. Now after starting the ammeter is normal for about five seconds then drops to -20. No other parts were changed. There is power from the J box to the generator cut out. Car sat without driving for about 1 week. What could be wrong?
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#2 |
Senior Member
Join Date: May 2010
Location: on the Littlefield
Posts: 6,196
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What is the voltage?
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#3 |
Senior Member
Join Date: Mar 2015
Location: Greenville, SC
Posts: 1,099
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#4 |
Senior Member
Join Date: May 2010
Location: Largo Florida
Posts: 7,225
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Not enough info. 6v or 12v ? Generator or alternator ?
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#5 |
Senior Member
Join Date: Mar 2015
Location: Greenville, SC
Posts: 1,099
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#6 |
Senior Member
Join Date: May 2010
Location: Bismarck ND
Posts: 1,191
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#7 | |
Senior Member
Join Date: Mar 2015
Location: Greenville, SC
Posts: 1,099
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![]() Quote:
and then goes to -15. Head lights and horn are disconnected. Can't get a good amp or voltage reading when this happens - battery showing 6.5 volts. |
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#8 |
Senior Member
Join Date: May 2010
Location: Between Seattle & Tacoma
Posts: 2,365
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Go buy a cheap volt ohm meter.
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#9 |
Senior Member
Join Date: Dec 2017
Location: Guthrie, OK
Posts: 1,158
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Post #1 says engine running. #8 implies engine off. Main suspect is ammeter post has pushed through paint on tank wall.
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