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Old 08-11-2003, 01:06 PM
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JohnnyV JohnnyV is offline
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Join Date: Aug 2003
Posts: 8
Post 70 AMP Alternator for 1988 300E

Problem: Battery Died

Bubba diags: I charged the battery and started the car. I disconnected the negative battery terminal and the car stopped running.

Conclusion: Charging system is bad.

Question: How do you check if the alternator or Voltage Regulator is the charging problem?

Note: Obviously the regulator is a more cost effective fix, so I want to be able to check for that first.

Any help is greatly appreciated.

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