Horn question

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Nov 10, 2015 | 01:07 PM

lc1484

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6th Gear

Joined: Feb 2009

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Horn question

I am replacing my horn to a Wolo on my 1992 FLHS. there are 2 wires. 1 black and 1 green. Which wire is ground and which is hot?

Thanks

Nov 10, 2015 | 01:37 PM

SlowRain

Road Master

Joined: Apr 2009

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From: Duluth, GA

Traditionally black is the color used for the ground. Now having said that...I would get your multimeter...or borrow one from a friend...and check for sure.

Nov 10, 2015 | 02:19 PM

TcHunter

Outstanding HDF Member

Joined: Mar 2014

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From: Michigan

I always thought green, was ground.

Nov 10, 2015 | 02:56 PM

Brewmany

Elite HDF Member

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From: Prior Lake, MN

I'd second the idea to put a meter on and verify it. If it's factory installed or was put in by someone following standards, black is usually negative. In your case I'd guess that the black is negative and the green is positive.
Easy enough to check with a multi meter.

Nov 10, 2015 | 02:57 PM

Brewmany

Elite HDF Member

Joined: Mar 2014

Posts: 4,214

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From: Prior Lake, MN

Quote:

Originally Posted by TcHunter

I always thought green, was ground.

In household wiring. Green or bare copper could be ground. White or grey is usually neutral, and other colors (red, black) are hot.

in 12v D/C (cars, motorcycles, boats,) black is usually negative and red positive.