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Horn Fuse Blows when starting engine V70-XC70 2000

posted by  marcouxjacques on  Fri Jan 19 00:03 CST 2007
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last visit: Sat Sep 15 01:00 CST 2007
[RELATED]

XC70 2000

Key in accessory position Fuse/horn/wipers OK.

If I turn the key/start engine, the fuse blows.

Once engine is running, if I install a new fuse, horn and wipers are OK.

Once I restart engine, the fuse blows.

If I disconnect the horns, the fuse is OK at all times.

Installed new horn switch repair kit from Grotton, no change.

Thanks







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Horn Fuse Blows when starting engine V70-XC70 2000

posted by  KlausC on  Sun Jan 21 12:57 CST 2007
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Interesting, the starter causes the horn fuse to blow. Check the ground to the starter, make sure it is clean with good contact.
The electrical portion of the ignition switch may also be at fault, when the starter is engaged all power from the horn and wipers is supposed to be cut off - not overloaded.

Klaus
--
1975 164 w/174,800mi (Sold) 1995 850T w/91,000mi, 1998 V70R w/129,000mi







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