Question about 1993 Volvo 850

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Volvo 850 is dead after wrong polarity at charging

I tried to jumpstart a bad battery in my Volvo 850, and unfortunately had the polarity wrong. So I guess a blew a fuse or something, so the control lamps do not light up when turning the key on, and even if I have now fully loaded batteries that turn around thje starter motor, nothing happens.
Does anyone knbow what I have to change or what to do ?

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  • 193 Answers

It is possible that you have melted a fuseable link. These are heavy guaged wires coming off the positive battery cable. Their purpose is to protect the electric system in the event of such a case.


If you would like to correspond further with me on this or any other issue, please feel free to do so.
Bill
ASE Master Technician


Posted on Nov 27, 2008

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1996 Volvo 850. No electrical power.


You may have a bad positive battery cable, with a digital volt meter you can test and see if you are getting 12 volts through the entire cable or at least to the cable junction block, in or by fuse relay center, then check cable from there to starter. you should also check the main, battery, power, fuses and relays, usually in the under hood relay center(fuse box)
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3: connect jumper cables to donor car battery , start donor and it charges yours.
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google this and get 1trillion hits.
or utube it. same.
or read this book
http://www.amazon.com/Auto-Repair-Dummies-Deanna-Sclar/dp/076459902X

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