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Posted on Apr 15, 2017
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Electrical connected directly to the negative terminal

What is the electrical wires and box connected to the negative battery terminal on my 2000 ford escort.
We have been having troubles with my car battery dieing. We can jump the car but as soon as we shut it off it will not even turn over. While the car was running we looked under the hood and simply touched the junction box and wires which are attached directly to the negative battery terminal and the car completely shut off and the battery was instantly dead. We assume something in this box or wires is the problem but have no idea what the wires or box are to be able and diagnose the problem.

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Vernon Taylor

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  • Posted on Apr 15, 2017
 Vernon Taylor
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First of all I don't recall any additional wiring or a junction box being attached to the negative battery terminal of a Ford Escort. I do however remember these things being fixed to the positive terminal...

The first thing that should happen is your battery should be removed from the car and fully charged and tested and replaced if necessary. I suggest you note; in the case of a completely discharged battery it is possible to inadvertantly connect the battery charger wrongly and charge the battery back-to-front or so the polarity is reversed.

Once there is a known good battery fitted to the car the correct way around and with any bad connections to or near the battery repaired it will be possible to begin the process of diagnosing the original problem(s).
A car that started with a jump start should now start from the key and the charging system can be tested and repaired if found defective..

I suggest you entrust the work to an experienced person...

2 Related Answers

Anonymous

  • 2 Answers
  • Posted on Jan 21, 2010

SOURCE: 2002 ford escort zx2 negative ground harness

I am about to have the same problem with my 2002 ZX2. My shop called the Ford dealer and they can replace it for $450.00...
seems like an awful lot for a battery cable.
JS

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John Trigg

  • 250 Answers
  • Posted on Mar 24, 2011

SOURCE: I changed the battery and

At a guess, I'd say that you have got the new battery in back to front. This means that you are hooking the earth wires to the Positive side of the battery.

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6884007.jpg

Fig. 2: Starter motor mounting and electrical connections-models with automatic transaxles (click for zoom)


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807a17f.jpg

Fig. 11: Starter motor mounting and electrical connections-models with manual transaxles (click for zoom)



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