4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

This is wierd.....

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Old 11-13-2010, 05:29 PM
  #11  
cliffyk
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That's not what I meant, what sort of tester did they use--did it apply a very high load (200A+) to the battery?

If you measured 10V before you even tried to start the engine then it is either not charging properly (more correctly "at all") or the battery is toast--there is no "in between". That is happened all of a sudden in the middle of stop-and-go shopping leans me toward a bad battery, not a charging problem.
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Old 11-13-2010, 05:52 PM
  #12  
a_penquin
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Idk, whatever tester they have at the auto parts store. I know its not the charging system, when the cars running Im reading 14V.
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Old 11-13-2010, 06:05 PM
  #13  
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Then the battery is bad...
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Old 11-19-2010, 05:11 PM
  #14  
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Well she did it again today. This time I was at home (in a rush to get to work) so I grabbed my multi-meter to take some reading while waiting on a ride. This is still the same battery from the first time to, and showed the same signs, turn key click. Across the terminals read 12.20V with the vehicle off and 11.7V with the key in the run position. My volt meter in the car read 10v and 11v though. Im going to check the resistance in the cables tomorrow and finally jack it up for a connection test. There is no bad fuses. Also when I got home she started up no problem again.
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Old 11-27-2010, 10:03 AM
  #15  
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Well I found the issue. It was the starter and an odd chain of events to cause the solenoid intermittent failure. I pulled the starter to find the header had been resting on it due to a failed passenger engine mount. You could see where the heat transfer was on the solenoid and a nice dent in it to. I replaced the worn mount, put a ding in the header, and a heat shield on the new starter. We'll see how long this one lasts.
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Old 11-27-2010, 11:16 AM
  #16  
WhiteFoxGT
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Originally Posted by a_penquin
Well I found the issue. It was the starter and an odd chain of events to cause the solenoid intermittent failure. I pulled the starter to find the header had been resting on it due to a failed passenger engine mount. You could see where the heat transfer was on the solenoid and a nice dent in it to. I replaced the worn mount, put a ding in the header, and a heat shield on the new starter. We'll see how long this one lasts.
See post #2


but who am I to tell you whats wrong with your car
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Old 11-27-2010, 11:22 AM
  #17  
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Exactly, now shut up white lol... Shes working now, so theres something off the to do list.
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