Volvo Penta Alternator Part

C

CascoBay

Petty Officer 2nd Class
Joined
Mar 13, 2010
Messages
194
I broke a part off the alternator of my 2000 Volvo Penta GS 5.7L, it is the black box as shown on the upper right of the below alternator:

ARC60125.jpg


What is that little black box and what does it do? Is it replacable or do I need a new alternator? It seems to be a device to bleed off positive voltage as it is connected to both the positive and negative.

Thanks for the help.
 
J

Justin Kennedy

Seaman
Joined
May 13, 2011
Messages
62
Re: Volvo Penta Alternator Part

May be voltage regulator, not sure. I could probably go to auto electric repair shop and ask. they could probably fix it for you asap.
 
C

CascoBay

Petty Officer 2nd Class
Joined
Mar 13, 2010
Messages
194
Re: Volvo Penta Alternator Part

Thanks, I ran the boat and did not notice any difference in voltage output, so I assume it must be a filter of some sort?

e444d539.jpg
 
M

mikeneal

Senior Chief Petty Officer
Joined
Jan 28, 2004
Messages
710
Re: Volvo Penta Alternator Part

It is a external capacitor, I think it is too reduce noise in the electrical system. See if there are any local starter/alternator rebuilding places, I bet they would have one.
 
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