1988 CHRYSLER 5TH AVENUE 88 5TH AVE WON'T RUN ON ITS OWN

  • Tiny
  • huffman408
  • 1988 Chrysler 5th Avenue

Engine Mechanical problem
1988 Chrysler 5th Avenue V8 Two Wheel Drive Automatic 111000 miles

I just got to my 88 5th ave after having it sit for about a year. The battery was dead so I jumped it. It fired right up after cranking it for a few seconds. It runs very well. As soon as I disconnected the jumper cables it stalled out. The battery and alternator were almost brand new when I bought the car. Any ideas?

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Monday, April 5th, 2010 AT 6:28 PM

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  • Tiny
  • caradiodoc
  • Expert
  • 25,616 posts

The car can not be fixed. I suggest you sell it to me! :)

That was my dream car for many years.

It sounds like you just need to replace the battery or charge it at a slow rate for a couple of hours. When the battery is totally dead, it will need to have voltage applied to it for a while before the acid inside becomes electrically conductive. Until that happens, the battery won't start to recharge.

Once it runs on it's own, measure the voltage across the battery terminals. A cheap digital voltmeter will work fine. You must have between 13.75 and 14.75 volts while the engine is running. If it stays around 12.0 - 12.6 volts, the alternator is not working. This is by far the world's most reliable and easy-to-troubleshoot charging system.

Caradiodoc

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Monday, April 5th, 2010 AT 6:45 PM

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