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Mr.BubblesVRCCDS0008
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« on: February 20, 2011, 07:57:14 AM » |
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My fan isn't kicking on as it should. I've checked the fuse and I did the grounding of the wire from the sending unit. The fan will work if I ground the wire. I'm ordering a switch but until then can I wire the ground thru a switch to turn the fan on and off when needed. I have a guage so I can keep an eye on the temp. This is my primary source of transportation so I need to keep riding. I don't see any problem with doing this just wanted to check with some of you smarter people first. TIA
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olddog1946
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« Reply #1 on: February 20, 2011, 08:30:27 AM » |
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Putting the fan on a switch will work just fine, as long as you keep your good eye on it..but I wouldn't leave it that way.
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VRCC # 32473
US AIR FORCE E7, Retired 1965-1988
01 Valk Std.
02 BMW k1200LTE
65 Chevelle coupe, 1986 Mazda RX-7 with 350/5spd, 1983 Mazda RX-7 with FOMOCO 302/AOD project, 95 Mustang GT Convertible 5.0, 5 spd
Moses Lake, Wa. 509-760-6382 if you need help
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R J
Member
Posts: 13380
DS-0009 ...... # 173
Des Moines, IA
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« Reply #2 on: February 20, 2011, 08:37:28 AM » |
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On what did you base your information that you need a new switch?
My switch has been in my bike since 97 and 242K+ miles.
It works when needed. Sometimes I think you might think you are overheating and you are not.
These systems are designed now to run in the 195 to 210 area. Mine runs right at 200 most of the time. I can only recall my fan coming on when I pull up to the garage door and get off to open it.
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44 Harley ServiCar   |
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Mr.BubblesVRCCDS0008
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« Reply #3 on: February 20, 2011, 08:53:42 AM » |
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RJ, I understand that they run hot. I'm in south Texas and it gets real hot here, but I've been stuck in traffic the last couple of days and I've hit 235 on my guage twice and still no fan running. The temp light has come on a couple of times and I've had to pull over and let her cool. This just a quick fix until I can get a new switch.
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Ricky-D
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« Reply #4 on: February 20, 2011, 09:01:13 AM » |
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Sounds like there is a (description/nomenclature) issue here.
I say: If what you are doing is working Okay, go ahead and do it!
Since it is only a temporary measure and it is doing no harm, you should have no problem!
Have you consulted the wiring diagram for your bike?
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2000_Valkyrie_Interstate
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Mr.BubblesVRCCDS0008
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« Reply #5 on: February 20, 2011, 09:05:10 AM » |
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Fan power is only hot with key so no chance of leaving on after bike is off. Circuit has 10 amp fuse in it so if problem, fuse will blow. All I'm doing is making the fan manually controlled until new switch comes in. Fixing to go ride and test hop it.
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R J
Member
Posts: 13380
DS-0009 ...... # 173
Des Moines, IA
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« Reply #6 on: February 20, 2011, 09:09:39 AM » |
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I agree, 235 is too hot for the fan to not come on....... Make sure your switch is only a temp fix.........
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44 Harley ServiCar |
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Red Diamond
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« Reply #7 on: February 20, 2011, 12:09:38 PM » |
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If your fan comes on when you ground it, have you considered it maybe being a ground issue instead of the thermostat controlled switch?
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 If you are riding and it is a must that you keep your eyes on the road, you are riding too fast. |
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Willow
Administrator
Member
Posts: 16733
Excessive comfort breeds weakness. PttP
Olathe, KS
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« Reply #8 on: February 20, 2011, 01:09:32 PM » |
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Be sure you've checked your coolant level. If it gets low enough the thermostat won't kick for the fan.
Don't ask.
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valkyriemc
Member
Posts: 392
2000 blu/slvr Interstate, 2018 Ultra Limited
NE Florida
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« Reply #9 on: February 20, 2011, 03:54:28 PM » |
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FWIW I just measured my fan's (2000 I/S) current draw at 3.9 amps. I installed an aux switch near the left handle bar controls. Some of these red lights here in Florida are just plain stupid long. Using my temp guage, I kicked it on at 190F sitting at idle and it maintainted the temp just fine. I dont see the point in letting the bike get real hot before the fan comes on, and then letting it cycle on and off while I sit and roast. My switch is permanent.
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Veteran USN '70-'76
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Mr.BubblesVRCCDS0008
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« Reply #10 on: February 21, 2011, 03:05:50 AM » |
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Well put 75 miles on it Sunday and another 25 this morning no problems. I had to kick it on twice yesterday at redlights down in the medical center in Houston but it worked perfectly. New switch on order.  |
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wdvalk
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« Reply #11 on: February 21, 2011, 06:32:37 AM » |
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had the same problem,it is the thermal switch mounted lower left radiator
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