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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Sat Apr 17, 2010 7:40 pm Post subject: |
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Thanks Scott, that's where I was heading, I just wanted confirmation of my thought process.
Next step, new connectors. I wonder if 4 wire trailer plugs would suffice????
(edit) This is wierd, I have about 10 or so postings lately that show up as the "top" of a new page. This is freaking me out. _________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom
Last edited by Stoked Steve on Sat Apr 17, 2010 7:51 pm; edited 1 time in total |
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Scott_Anderson Site Admin
Joined: 05 Sep 2006 Posts: 3119 Location: Central Iowa, USA
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Posted: Sat Apr 17, 2010 7:41 pm Post subject: |
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Steve, here's a pic of what I was talking about when I mentioned a generic 4pin weather proof connector.
It's even got the same 4 color wires.
Very easily picked up at your local parts store. Obviously don't use those blue tapping connectors, unless you want more problems. _________________ Ride safe.
1995 K1100LT 0302044
1997 R1100RT ZC62149
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.) |
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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Sat Apr 17, 2010 7:50 pm Post subject: |
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That looks just like a trailer wire connector ( I should know as I've hooked up quite a few trailers lately!), I'm on it! _________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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garynali Mad Brick Rider
Joined: 17 Apr 2010 Posts: 79 Location: Hervey Bay, Australia
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Posted: Sat Apr 17, 2010 11:09 pm Post subject: |
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Gday Steve
This my first post but have been looking at the site for a few years.I have a 93 model RS that had your problem. The intermittent fuel pump can be hard to troubleshoot. As you say your pump can't be faulted when powered up so likely not that. More likely the fuel pump relay ( can be taken out and bench tested) or the connection on the motoronic computer. From memory the computer gives both power and earth to the fuel pump relay when the ignition is turned on. I ended up cleaning and coating all the connections in the system with dielectric grease. This fixed it. If not the pump is a bosch commonly used in fords ( EA FALCON Australian ford ) and the computer is very expensive genuine only.
Good luck
Gary Chadwick , Hervey Bay, Australia |
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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Sun Apr 18, 2010 8:40 am Post subject: |
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Thanks for the suggestions. I've replaced the relay and tried a new pump (the ford substitute). I think I've got it down to a wire from the connecotr to the fuel sending unit. I'll be replacing the connector today and see if that's it. _________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Sun Apr 18, 2010 9:15 am Post subject: |
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I'm losing my mind,
I went to double check everything again this morning before I started cutting things and it all is working correctly! I'm getting a 0 ohm reading from the green pin in the connector to the sender unit solder and to the end of the wire where it would attach to the fuel pump.
I connected the leads to the fuel pump and plugged the connector in and the pump fires right up when I tun the key. I'm right back where I started from without knowing for sure what the issue is!
I could have sworn I was not getting any reading when testing the green pin to the yellow power wire at the pump, but I was testing so many different things and just learning how to do it that I wasn't sure, which is why I was double checking things this morning.
I guess I'll still replace the connectors anyway since I'm pretty sure I was not getting a connection there yesterday. _________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Sun Apr 18, 2010 11:36 am Post subject: |
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Since the power was back, I thought I'd hook everything back up and start the bike up and see what happens.
I'm getting the whirr at the pump, but it sounds a bit strained, and the bike won't start. I pulled the pump out of it's bracket in the tank and pulled the hose off. When I turn the key on, it whirrs but no fuel is coming out. If I hit the starter, still no fuel comes out. So maybe it is the pump after all??
I did power up the pump a few times when it was out of the tank (2X), that wouldn't mess it up, would it? _________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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Jim Site Admin
Joined: 17 May 2003 Posts: 3840 Location: WHERETHEFUNNEVERENDS
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Posted: Sun Apr 18, 2010 11:37 am Post subject: |
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Steve - I don't think it would hurt the pump to run it for a few seconds. _________________ Jim
1997 K1100LTSE 94,000 - has gremlins!
1995 R100RT Classic 16,650 crashed - repairing
1992 K75RTP 46,000
1992 R100R 24,000 - FOR SALE
"We shall not all die, but we shall all be changed." |
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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Sun Apr 18, 2010 11:54 am Post subject: |
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I think I might have the wires reversed, hang on... _________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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Flying Duck PsyKotic Waterfowl
Joined: 27 Jan 2005 Posts: 10085 Location: Bumf***, WA
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Posted: Sun Apr 18, 2010 12:07 pm Post subject: |
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Running it out of the tank for short periods won't hurt it. What so you think happens when you run out of gas? _________________ 93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE |
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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Sun Apr 18, 2010 5:01 pm Post subject: |
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OK, had the wires reversed, so it was sucking instead of pumping, d'oh!
But, good news, got the pump wired correctly and it was running and the bike started right up, ran for a few minutes and then the pump cut off again, the bike died. I quickly pulled the pump out and tested the wires, no continuity between the green pin and the yellow power lead to the pump, just like yesterday.
I am getting the 12v at the connector (motronic side) between the green wire and the brown wire for a few seconds telling me that the motronic is sending the signal correctly, it's just not making it to the pump.
So, I finally feel pretty confident it's an issue in the tank side connector. I'm going to go ahead and order one from EB and wait for it.
Thanks again for everyone's help. _________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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SugarHillCTD Site Admin
Joined: 10 Oct 2007 Posts: 4240 Location: Now in Eastern Pennsylvania
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Posted: Sun Apr 18, 2010 5:18 pm Post subject: |
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skdonlan wrote: | I'm losing my mind, |
Sorry to hear about your ongoing FRUSTRATION. There might actually be an ICD9 psych code attached to BMW K1100 bike repair Tx.
I did the one step program to deal with it.
John _________________ John & Cathy
'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F. |
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Saltcreek Flying Brick Rider
Joined: 22 Oct 2008 Posts: 957 Location: New Hampshire
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Posted: Mon Apr 19, 2010 7:35 am Post subject: |
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SugarHillCTD wrote: | There might actually be an ICD9 psych code attached to BMW K1100 bike repair Tx.
John |
I did the reverse polarity once on a fuel transfer pump for a tank on my truck. had the whole pump apart before I realized it. Doh! _________________ Jim
1994 K1100LT Mystic Red, bfd, 37000 miles, sold
2009 Wilderness Systems Zephyr 155 ST
2002 Litespeed titanium |
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robleyd Flying Brick Rider
Joined: 23 Jul 2009 Posts: 398 Location: Murbko, Australia
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Posted: Mon Apr 19, 2010 7:53 am Post subject: |
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Quote: | Sorry to hear about your ongoing FRUSTRATION. There might actually be an ICD9 psych code attached to BMW K1100 bike repair Tx.
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Lets see - if there was alcohol involved, as would seem likely, then it would be in the 291, 'Alcoholic psychoses', series. Otherwise probably 298.9, 'other non-organic psychoses, unspecified psychosis'
Or maybe it is 797 - I'll leave you to look that one up _________________ David, owner of:
1996 K1100 LT |
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drikko Flying Brick Rider
Joined: 20 Nov 2009 Posts: 1966 Location: Brisbane, OZ
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Posted: Mon Apr 19, 2010 9:23 am Post subject: |
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WTF!! _________________ K1100RS '97
Laverda RGS 1000 '84
Jim Young Trailer Sailer 5.7M WB
DISCLAIMER:- Anything I say may have been when I was drunk so please don't take it personally.
'Bigamy is having one wife/husband too many. Monogamy is the same.'
Oscar Wilde |
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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Wed Apr 21, 2010 9:57 am Post subject: |
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Well, it's not the plug in connector. While I'm waiting for the a new connector from EB, I decided to just cut the old one off and direct connect the wires, it didn't work, still getting no conectivity between the green wire and the solder joint where it becomes the yellow wire (to the fuel pump).
So, the issue must be in the wire or more likely in this connector,
But I don't see where this can come off, it's seems pretty permanent.
Can I get a new wire with this connector, or do I have to get a whole new sending unit and replace the whole thing?
It appears to be a whole unit for $104.00 from Max. No. 10 in this diagram.
_________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom
Last edited by Stoked Steve on Sat Apr 24, 2010 9:18 am; edited 2 times in total |
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joeangi Flying Brick Rider
Joined: 03 Apr 2006 Posts: 291 Location: Westchester, New York
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Posted: Wed Apr 21, 2010 10:31 am Post subject: |
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Replace the sending unit....I'm still thinking motronic plug, but then again I have not been riding enough to see if mine is really fixed. Drake should have a replacement. Does anyone have a sender out, that they can check the wires before replacement?
Joe _________________ 1994 K1100RS
1986 K100RS |
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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Wed Apr 21, 2010 5:32 pm Post subject: |
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Well, I think the motronic is fine because I always get the 12v signal for 3-4 seconds beween the green wire and the brown coming from the motoronic when I turn on the key. But the continuity bewteen the green wire and the sender unit has been in and out, corresponding with the pump not firing up. _________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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Stoked Steve Flying Brick Rider
Joined: 01 Sep 2004 Posts: 1402 Location: Virginia Beach, VA
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Posted: Wed Apr 21, 2010 7:08 pm Post subject: |
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Found a used unit for $45 on Ebay and he also had a clutch cable which I've been meaning to get as a spare. So I bought them both.
Hopefully this will cure my bikes issues.
I'd like to ride to HM without constantly worrying about when it's going to die next. _________________ Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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SugarHillCTD Site Admin
Joined: 10 Oct 2007 Posts: 4240 Location: Now in Eastern Pennsylvania
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Posted: Wed Apr 21, 2010 7:18 pm Post subject: |
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skdonlan wrote: | I'd like to ride to HM without constantly worrying about when it's going to die next. |
_________________ John & Cathy
'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F. |
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