08UC Cruise Control Blows Fuse
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08UC Cruise Control Blows Fuse
As you might have surmised, I have an 08 Ultra. It seems that after I wash the bike, the next ride or two after that, trying to engage the cruise causes the ignition fuse to blow. I had the dealer take a look at the first time it happened, that's how I knew it was the fuse. They informed me it was the ignition fuse, but couldn't find anything causing it. I know two of my options are to (1) don't use the cruise control or (2) don't wash the bike, neither of which are acceptable. I am planning on taking it in and leaving it as long as necessary, but I was wondering if anybody else has had this happen? I would just as soon fix it myself if it's not terribly expensive, since I really enjoy my 1 hour commute on the bike everyday.
Outstanding HDF Member
Joined: Sep 2007
Posts: 2,272
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From: Slidell, Louisiana
Check some of the other fuses to see if they have any corrosion on them. My acc fuse blew out and when i removed a few of them they all had some degree of corrosion on them so i changed all of them out and coated them with die electric grease. No problem since then. Might be worth a try.
Road Warrior
Joined: May 2008
Posts: 1,802
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From: Salt Lake City, UT. Dushore, Pa.
I would avoid spaying the left side cover and the handlebars around the switches which is pretty obvious but it sounds like your getting the fuse box or wires too wet. Are you using a pressure washer, if so be careful. Have you changed the grips or had anything else off recently? Make sure your wires on the handlebar are not pinched where they come out from the brake lever bracket and if you loosen put a piece of cardboard between the lever and the bracket.
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Novice
Joined: Jul 2008
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I would avoid spaying the left side cover and the handlebars around the switches which is pretty obvious but it sounds like your getting the fuse box or wires too wet. Are you using a pressure washer, if so be careful. Have you changed the grips or had anything else off recently? Make sure your wires on the handlebar are not pinched where they come out from the brake lever bracket and if you loosen put a piece of cardboard between the lever and the bracket.
Road Warrior
Joined: May 2008
Posts: 1,802
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From: Salt Lake City, UT. Dushore, Pa.
Does it do it when you turn the cruise on or when you try to set it with the handlebar switch? Mine would blow ignition fuse sometimes when cold after I backed it with the handlbars cranked to the left and tried to start it. I thought it was the starter relay or ground. The grips had slid towards the end and the handlebar clamp was pinching the wires where they fit in that little groove. Cruise has a separate fuse so it seems your short is when additional current is added. Did you gel the cruise connector? Also you have under the right side pannel the EFI relay and fuses, make sure they are not corroded. Let us know what is found.
Elite HDF Member
Joined: Oct 2008
Posts: 3,555
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From: Brockport, NY
Had a similiar problem on my old '06 RKC. Mechanic blamed it on the housing switch connection where CC sits only to find it was a blown fuse after 1.5 hours of searching here and there. He didn't know what the culprit was and applied dielectric grease on everything to ensure no futher problems. All's well after 3 years.
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Road Warrior
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Cruiser
Joined: May 2008
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Have your service department check the wiring under the front faring. I had the same problem with my 08 Ultra. The cruse control, ABS, stop light and the directional lights would all go out when I got the bike wet.(they are all on the same fuse)
The service department at Nashua Harley found a wire under the faring that had frayed and was causing a short. They repaired it under warranty and it’s been trouble free since then.
The service department at Nashua Harley found a wire under the faring that had frayed and was causing a short. They repaired it under warranty and it’s been trouble free since then.
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