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Discussion Starter · #1 ·
I have a 2008 XC70 3.2 that had a drained battery from not being used in the past few weeks. In the dark last night I made the incredibly stupid mistake of crossing the jumper cables and connecting them in reverse. Ugh. The car is, of course, unresponsive now. I do most of the wrenching on this car myself, but I have no idea how to begin assessing how much damage I have done. Is there anyone out there who can advise me on where to begin?

Thanks,
Peter
 

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You may have damaged the battery, so start over with a known good battery. There is a fusible link in-line with the skinny red wire leading away from the positive post assy.
With your voltmeter, buzz out circuit breakers in positions 1, 2, 3, 4 , 5 in the "A" bank of the engine fuse panel (shown in owners manual). If you're not seeing 12V there, then that's a good sign that the fusible link did it's job and blew.

Hopefully, you'll just need to replace the (+) fusible link.
 

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I will eat my shoe if you have done any serious damage. There is no way this is not something they consider in design.


2002 V70XC, 2003 V40, 2004 S60, 2010 V70
 
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