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Old Aug 1, 2015 | 06:14 PM
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Ken Bearce
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I have a 2004 Haritage and would like to hook up a windshield radio to the accessory (ignition) switch so I don't accidently leave the radio on when I leave the bike.
Any help would be greatly appreciated.
 
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Old Aug 1, 2015 | 06:42 PM
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You should be able to poke around the fuse box terminals with a test light until you find one that shuts off with the ignition.
Tap into that lead.
 
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Old Aug 2, 2015 | 02:10 PM
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Since it's going on the windshield, I'd definitely be tapping the wire to the aux lights. They should carry the additional current fine, and will come on and off with the headlights, which is just what you want. I've got a fatboy and have used the aux terminals coming out the back of the headlight for running my phone charger.
 
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Old Aug 2, 2015 | 03:42 PM
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The Harley Boom Audio has the power relay tied into the rear tail light.
That way there's power to the radio whether the ignition switch is on or in aux.

If you tie it into the headlights there will only be power when the ignition switch is in the on position. The aux. position doesn't power the head lights.

Go to the Harley site and search "Boom Audio".
Then download the installation instructions.
That will tell you which wire to tap into.

I recommend adding the relay kit to the radio.
It's only around $15.
 

Last edited by Bluraven; Aug 2, 2015 at 03:45 PM.
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Old Aug 2, 2015 | 04:42 PM
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True. Although I've never found a use for the aux switch position anyway ;-)
 
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Old Aug 2, 2015 | 04:52 PM
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Originally Posted by peg20
True. Although I've never found a use for the aux switch position anyway ;-)
me either except for the radio.

When the Wife and I are out riding we take a lunch and a few beers with us.
We like to listen to the music while were eating lunch.

Without the headlights on we don't run the battery down too fast.
We've listened to music for as much as an hour and half without killing the battery.

I do however carry with me a Antigravity Battery jump starter just in case.
I wouldn't leave home without it.

Amazon.com: Antigravity Batteries AG-XP-10 USB: Automotive Amazon.com: Antigravity Batteries AG-XP-10 USB: Automotive
 
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