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Electrical gurus:what is this black thing at back of alternator? 700

posted by  someone claiming to be tom108 on  Tue Oct 12 02:56 CST 2004 [RELATED]

fcpgroton lists 2 100 amp alternators:
one with and one without this rectangular black thing,seems like an electrical connection of some sort.Is it a radio suppression relay?????Do i need it since i got 2 relays near the washer fluid bottle already??

http://www.fcpgroton.com/images/AL155X.jpg








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Electrical gurus:what is this black thing at back of alternator? 700

posted by  jsaw on  Thu Oct 14 10:41 CST 2004
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last visit: Tue Nov 25 11:11 CST 2008
[RELATED]

Its a voltage regulator!

Yes you need it!

Bosch list's the part at $60-80 bucks but aftermarket ones are fine and a lot cheaper. I picked up a "HUGO" ? brand for $13.00 canadian at the local-local.

Works just fine......

Josh








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Electrical gurus:what is this black thing at back of alternator? 700

posted by  ndesouza on  Thu Oct 14 10:44 CST 2004
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last visit: Sun Mar 18 15:14 CST 2012
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The round thing in the 5-oclock position of the 2nd picture (with BOSCH printed on it) is the Voltage Regulator. The square thing in the 9-oclock position of the same picture seems to be a capacitor.

Noel








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Electrical gurus:what is this black thing at back of alternator? 700

posted by  GustafKalle on  Tue Oct 12 05:20 CST 2004
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last visit: Sun Sep 2 13:57 CST 2007
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Looks like a capacitor to me, the way it is connected, so it is a radio suppression device. Capacitors are cheap, so if there is no big difference in price take the one with the black thingy. Nothing so disturbing as when your radio reception is poor, IMHO








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Electrical gurus:what is this black thing at back of alternator? 700

posted by  someone claiming to be tom108 on  Tue Oct 12 13:17 CST 2004 [RELATED]

Do I need it though cos I have 2 relay(one a radio suppression device) near the radiator fluid overflow reservoir?
thanks







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