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Author Topic: BigBF Horn Doesn't Blow  (Read 2391 times)
Valkorado
Member
*****
Posts: 10491


VRCC DS 0242

Gunnison, Colorado (7,703') Here there be twisties.


« on: July 31, 2022, 04:11:10 PM »

And that sucks!

Been trying to figure out why.  PO hooked it up and left the OEM horn wired.  They were working in tandem just fine, but none are working now for some reason.  Does anyone have the install instructions for these?  I'm particularly interested in the relay wiring, not sure it's connected right.  I tried another relay I found at the parts store but it wasn't an exact match re: spade configuration.  If anyone has a BigBF horn installed and could snap a pic of that relay wiring (mine is under the right side panel) I'd sure appreciate it.
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Have you ever noticed when you're feeling really good,
there's always a pigeon that'll come sh!t on your hood?
- John Prine

97 Tourer "Silver Bullet"
01 Interstate "Ruby"

3W-lonerider
Member
*****
Posts: 1014

Shippensburg Pa


« Reply #1 on: August 01, 2022, 12:55:17 PM »

relay configuration should be
#30 Battery positive, should have a fuse
#85 should be ground
#86 should be wire in from the horn button
#87 should be output to horns.
you should have constant power on 30 then when you hit the horn button #86 should have power on it
after 86 powers up you should have power coming out on 87.
whats happening in that relay is when you power 86 then 30 gets jumped to 87. taking the current draw off the horn button.
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Valkorado
Member
*****
Posts: 10491


VRCC DS 0242

Gunnison, Colorado (7,703') Here there be twisties.


« Reply #2 on: August 01, 2022, 02:43:11 PM »

relay configuration should be
#30 Battery positive, should have a fuse
#85 should be ground
#86 should be wire in from the horn button
#87 should be output to horns.
you should have constant power on 30 then when you hit the horn button #86 should have power on it
after 86 powers up you should have power coming out on 87.
whats happening in that relay is when you power 86 then 30 gets jumped to 87. taking the current draw off the horn button.

Thanks, that's what I needed!   cooldude
Logged

Have you ever noticed when you're feeling really good,
there's always a pigeon that'll come sh!t on your hood?
- John Prine

97 Tourer "Silver Bullet"
01 Interstate "Ruby"

3W-lonerider
Member
*****
Posts: 1014

Shippensburg Pa


« Reply #3 on: August 01, 2022, 04:16:28 PM »

your welcome. hope you get them working.
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Valkorado
Member
*****
Posts: 10491


VRCC DS 0242

Gunnison, Colorado (7,703') Here there be twisties.


« Reply #4 on: August 01, 2022, 04:34:15 PM »

your welcome. hope you get them working.

Loud & proud!
Logged

Have you ever noticed when you're feeling really good,
there's always a pigeon that'll come sh!t on your hood?
- John Prine

97 Tourer "Silver Bullet"
01 Interstate "Ruby"

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