Electrical Gurus......
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Joined: Mar 2014
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From: Pittsburgh
Electrical Gurus......
answer me this........installed some PIAA LED fog lights on my bike, mostly because I don't feel like paying the insane H-D prices, anyway...they are wired w/ a relay and a switch. Harness for lights and switch are run in cable tray under tank, relay is under seat. Main wires are connected to battery, switched 12v is coming from red/yellow wire going to rear light harness...problem is when you turn the fog lights on, you lose radio reception, not right away, but after 5 seconds or so, reception fades and you get static. Turn lights off, radio reception immediately returns.
What in the heck could be causing this???
What in the heck could be causing this???
Cruiser
Joined: Aug 2007
Posts: 191
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From: Dallas
you might have to with lower watt bulbs. I know that moto lights running lights caused interference with radio so had to switch to 35 watt bulbs I think??? Either 75w to 50 or 50w to 35 can't remember which, but when changed interference went away
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Joined: Mar 2014
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From: Pittsburgh
I wonder if the fact that the harnesses are not shielded has anything to do with it? Wouldn't think so, because none of the other wires in that tray are shielded......Canbus???
Last edited by streetglide clyde; Jul 30, 2014 at 04:08 PM.
Tourer
Joined: Mar 2014
Posts: 291
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From: utah
Have you tried putting a volt meter on the battery with the bike running and watching it when you flip your light switch? A voltage drop could mean problems with your relay and that COULD show itself in the radio first.
If you've got an amp meter, I'd also put it in line with your lights and make sure you're not exceeding the charging system's abilities.
If you've got an amp meter, I'd also put it in line with your lights and make sure you're not exceeding the charging system's abilities.
Tourer
Joined: Mar 2014
Posts: 291
Likes: 88
From: utah
I'm a few hundred miles north in Springville. I was actually going to try to get down that way this weekend to ride Capital Reef and Escalante if the weather allows. It looks like you've timed it about right!
Road Master
Joined: Feb 2014
Posts: 1,240
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From: Wisconsin
answer me this........installed some PIAA LED fog lights on my bike, mostly because I don't feel like paying the insane H-D prices, anyway...they are wired w/ a relay and a switch. Harness for lights and switch are run in cable tray under tank, relay is under seat. Main wires are connected to battery, switched 12v is coming from red/yellow wire going to rear light harness...problem is when you turn the fog lights on, you lose radio reception, not right away, but after 5 seconds or so, reception fades and you get static. Turn lights off, radio reception immediately returns.
What in the heck could be causing this???
What in the heck could be causing this???
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From: Pittsburgh
What wire do you suggest?
Update: apparently, it's not going to mater what wire I connect to.....I hooked switch wire to battery, same problem. Then I figured that the relay might be causing the problem, so I removed relay from socket, jumped around terminals, relay eliminated, switch eliminated, still have same problem...looks like lights/harness are the problem, but damned if I know how.......any ideas, suggestions?
Last edited by streetglide clyde; Jul 31, 2014 at 10:11 AM.
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Road Master
Joined: Feb 2014
Posts: 1,240
Likes: 171
From: Wisconsin
Yep, I see what you mean......however, the switch for the fog lights is solid state and needs switched power, otherwise, power would be available all the time, fog lights could be left on w/ignition switch turned off...dead battery.
What wire do you suggest?
Update: apparently, it's not going to mater what wire I connect to.....I hooked switch wire to battery, same problem. Then I figured that the relay might be causing the problem, so I removed relay from socket, jumped around terminals, relay eliminated, switch eliminated, still have same problem...looks like lights/harness are the problem, but damned if I know how.......any ideas, suggestions?
What wire do you suggest?
Update: apparently, it's not going to mater what wire I connect to.....I hooked switch wire to battery, same problem. Then I figured that the relay might be causing the problem, so I removed relay from socket, jumped around terminals, relay eliminated, switch eliminated, still have same problem...looks like lights/harness are the problem, but damned if I know how.......any ideas, suggestions?
Tourer
Joined: Feb 2007
Posts: 473
Likes: 57
From: Utah
It's the LED Lights themselves. A choke on the wiring to lights might help many hits on Google and threads here. Here is one: https://www.hdforums.com/forum/touri...ggestions.html
And another better one: https://www.hdforums.com/forum/touri...ng-lights.html
And another better one: https://www.hdforums.com/forum/touri...ng-lights.html