question about alternator
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- Posts: 18
- Joined: Thu Jul 25, 2019 8:54 am
- Location: Mentone, AL
- Motorcycle: 1988 GL1500 Goldwing
question about alternator
I just replaced the alternator on my bike. I found a small black box with 0.5uF+1.5uF 250V on it. I assume it is a capacitor, but I don't know what it's for. It was on the old wiring. Do I need this and dose anyone know what its for?
- 1goldwingnut
- Posts: 71
- Joined: Wed Aug 08, 2018 10:08 pm
- Location: Athens wi
- Motorcycle: 95 20th anniversary GL1500A
Re: question about alternator
It's a noise suppressor for the radio/CB. I would leave it on.
- ct1500
- Posts: 1577
- Joined: Wed Nov 10, 2010 8:09 pm
- Location: Glastonbury,CT
- Motorcycle: 1988 GL1500
- Contact:
Re: question about alternator
It is a noise suppressor to keep alternator whine from coming through the radio. Seeing as how you already installed the alternator it will have to do as is. 

Local and need repair help with your 1500, Valkyrie or ST please click contact
Nothing leaves my shop till its' perfect
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Nothing leaves my shop till its' perfect
This is what I do
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- Posts: 18
- Joined: Thu Jul 25, 2019 8:54 am
- Location: Mentone, AL
- Motorcycle: 1988 GL1500 Goldwing
Re: question about alternator
Thanks guys. Just curious.
- AZgl1800
- Posts: 2932
- Joined: Thu Oct 30, 2008 2:46 pm
- Location: Lake Oologah Indian Territory USA
- Motorcycle: 2009 Piaggio MP3 250cc https://imgur.com/foGDjgv
'02 GL1800 lives in Dawsonville, GA now.
My son is going to enjoy it for many years to come.
Re: question about alternator
Leave it on,
if you ever install a set of headphones in your helmet, you will be glad you did.
if you ever install a set of headphones in your helmet, you will be glad you did.