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Valhalla
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« on: May 05, 2013, 07:50:42 AM » |
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Went for a nice ride yesterday, the longest yet in this late spring. On return I noticed the idle was running almost 1500 so I adjusted it down to about 900 which is where I feel it should be when warmed up. Then I noticed a single loose wire, just laying on top of the block. It is red, single wire and has a black protective sheath, about 1/4 inch diameter. I noticed that there seems to be a place for it in the back of the intake manifold off of #1. In fact all of the manifolds have the same looking receptacle, but not all have a lead going into it.
I have looked at a few wiring diagrams but don't see anything that appears to have meaning going to the intake...
Any experts?
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« Last Edit: May 05, 2013, 07:53:01 AM by Valhalla »
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Brian
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« Reply #1 on: May 05, 2013, 08:19:58 AM » |
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I don't have any wiring that low on my 97. No wires attach to the intakes or the carbs. Does the other end of the wire connect to anything? Are you original owner? All the OEM wiring should follow the upper frame rails from the head light bucket rearward to under the seat. The horn, fan and the temperature sensors to the rad and thermostat housing are not long enough to lay on the engine block. I suppose the easiest question to ask, is everything currently electrical on your bike working as they should?
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Valhalla
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« Reply #2 on: May 05, 2013, 08:45:47 AM » |
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The manifold attachment would logically be the vacuum hose and i dont seem to have all of the plumbing for that. I had her services: air cleaner etc so the tank was pulled this winter and now I am starting to have some doubts about the friendly neighbourhood shop...
Working from the manual, I trace it back and it looks like the lose wire may be the wire coming off the oil pressure gauge attachment. But I dont have an oil pressure gauge...
I am not the original owner. Third actually, and I dont know if it was ever rigged up with an oil pressure gauge, or did they all come with the hook ups but just the standard did not come with the factory gauge...
everything works: horn, blinkers, etc. The wire is thin single wire so it would be something low voltage for sure...
Looks like I have to find that old guy who used to work at the dealership...
Goose chase.
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indybobm
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« Reply #3 on: May 05, 2013, 08:46:56 AM » |
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Since your idle went up to 1500 rpm after riding, are you sure that this is not a vacuum line that should be connected to #1 intake tube. The only thing connected to the intake tubes are vacuum lines or vacuum plugs.
Looks like we were typing at the same time.
Does the red oil indicator in the tach come on when you turn the ignition on without starting the bike.
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« Last Edit: May 05, 2013, 08:49:23 AM by indybobm »
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So many roads, so little time
VRCC # 5258
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Valhalla
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« Reply #4 on: May 05, 2013, 08:53:32 AM » |
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Yes the red oil light comes on when the ignition is on but not started...
Time for tank off...gahh. just started riding season too.
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Brian
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« Reply #5 on: May 05, 2013, 09:15:28 AM » |
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Oil pressure gauge attachment? Can you send a picture? You do have wires that run around the right side of the engine between the head and timing belt cover that are in the protective black jacket. But you said the bike runs fine and the oil light burns. It sounds like you are about to get real intimate with your bike now.
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John Schmidt
Member
Posts: 15278
a/k/a Stuffy. '99 I/S Valk Roadsmith Trike
De Pere, WI (Green Bay)
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« Reply #6 on: May 05, 2013, 09:33:44 AM » |
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First....how long is it? If it's a red wire in a black jacket and on the right side, I'm with Brian. Sounds like the oil pressure wire which connects down near the oil filter. It's not for a gauge, it's for the oil pressure idiot light. Look down by the filter and see if a wire is still connected, or possibly broken. I'm guessing that's where it belongs. As for the increase in RPM, sounds coincidental. Probably a vacuum leak at one of the tubes going to the back of the intakes. They have a tendency to harden at the attachment point and will sometimes break off there. Cut it back a bit and slide back on. Next time you have the tank and airbox off, get rid of all that PAIR valve junk and the myriad of vacuum leaks just waiting to happen.  |
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Valhalla
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« Reply #7 on: May 05, 2013, 09:46:21 AM » |
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there are two wires in individual black jackets that come around the brake pedal side of the engine behind the timing belt cover. based on the manual, (1-27) One originates from the "oil pressure switch" the other from the "neutral switch". They feed up to a harness and plug labelled "engine coolant temperature ECT sensor.
Now in the full light of day, I can see the wire on the oil pressure switch I can see is blue, my little loose friend up top is green.
Oil light works, neutral light works, fan motor kicks in.
if wiring is true, green would indicate perhaps a ground wire off of a harness assembly...?
Thanks for the help on a sunny sunday guys.
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Brian
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« Reply #8 on: May 05, 2013, 02:11:50 PM » |
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The OEM wire color to the oil sending unit should be blue with a red tracer unless a PO had to replace it. Sorry about the assumption of the other wire. I assumed it was the ignition when I went out to look for you.
Let us know what you find. It helps us all.
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amazngrace
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« Reply #9 on: May 06, 2013, 05:43:02 PM » |
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Tell us where you are, chances are that sombody here is nearby and would be willing to look at it for you.
...ED
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99 Red and Black IS
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Valhalla
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« Reply #10 on: May 07, 2013, 07:58:59 PM » |
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I am in Winnipeg Manitoba Canada so i doubt anyone is close. I have ordered the harness for oil temp, water temp. I have noticed the water temp indicator light does not illuminate with oil and kick stand ignition lights. I will have the dealership change it out and the vacuum tubes as well. Tank off and an hour shop labor.
Gotta keep the girl healthy.
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Brian
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« Reply #11 on: May 08, 2013, 03:03:50 AM » |
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The water temp light does not burn on my bike when the key switch is turned on. I hope you are not wasting your money. We'll see what others post about this.
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Denny47
Member
Posts: 307
#34898
Grove, Ok.
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« Reply #12 on: May 08, 2013, 08:00:44 AM » |
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I just did a search on this board and found several threads. According to some knowledgeable members on here, they state that on the Standard or Tourer, the temp lite does NOT come on when the key is turned on but does on the Interstate. Mine does not come on but I have not checked the bulb so have no definite knowledge.
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1997 Green/Cream Tourer w/ Cobra 6/6 exhaust, 2012 Pearl White Goldwing
USAF 66-70, F-105 AWCS
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AZdougness
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« Reply #13 on: May 08, 2013, 09:55:30 AM » |
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Pictures can help a lot in a situation like this.
Is your bike a European model or US? The Euro version is something most of us have not dealt with.
I don't know of any wiring that would be in that area, it sounds like a possible PO wiring lead for who knows what... horn relocation maybe, again who knows without researching it a little more. Can you trace it back to where it connects on the other side? What type of connector is it, spade, oval, bare wire... etc. The more information, and pictures really, the more helpful we can be.
Hope it all works out
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R J
Member
Posts: 13380
DS-0009 ...... # 173
Des Moines, IA
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« Reply #14 on: May 08, 2013, 12:46:11 PM » |
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With all the work I have done on MGM, all and any GREEN wires are Ground.
Sounds like you have lost a ground for something.
Quick question, what type of connector is on the end?
Plug, spade or something else.
If it is spade I'd say it was something some one added for an accessories and when they took it off, they were too lazy to remove this added wire also.
Post a picture of the wire if ya can. To see it would help a lot in identifying it.
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44 Harley ServiCar   |
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Valhalla
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« Reply #15 on: May 08, 2013, 05:45:15 PM » |
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First, this is an awesome forum and I appreciate the help guys. I love the Valkyrie and love how others love it as well. Are you listening Honda!?
So, the loose end of the green wire is exposed copper twist. Tracing back along the harness it goes to the top of the block, which in the manual indicates temp sensor harness assembly. Everything works on her and I have gone for short rides in the city. Losing a ground there would only be a problem if the temp had a problem and no indication of the problem. Lots of assumptions and I have a long ride planned for July so i need confident resolution.
I am curious about the comments that the temp indicator does not light on ignition like the other two on the display. I honestly never rally noticed before the loose wire issue and was perhaps over diagnosing.
I have a Canadian 97 Standard (with tourer bags added recently). VIN begins with 1HFSC 342
I need to deal with a couple of missing vacuum tube connections so the tank has to come off. I figured I may as well do the wiring harness that is high probable source for the loose green...
I will try to get a few photos captured in the shop....and will let everyone know the final results...
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Valhalla
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« Reply #16 on: July 14, 2013, 08:33:49 PM » |
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Last post for those who contributed and are still curious: after three hours on a trustworthy honda guy's hoist with my radiator off, tracing everything all around the circle, everything works, so the conclusion be elimination is that the loose green open ended copper seems to be a take off for some past life accessory. So capped off and tucked away she goes.
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