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Fuel Injection Realay
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jpberens1994K1100RS
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Joined: 06 Apr 2008
Posts: 784
Location: Hales Corners, WI. / Relocating to central FL.

PostPosted: Mon Apr 18, 2011 2:13 pm    Post subject: sidestand switch / power to fuel pump Reply with quote

Not certain that the SS switch is the culprit, but if you want to bypass it, go here. Sorry, you have to copy the whole URL in.


http://www.k11og.org/forum/viewtopic.php?t=7572&highlight=sidestand+switch
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blackcash
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Joined: 13 Mar 2011
Posts: 41
Location: VIRGINIA

PostPosted: Tue Apr 19, 2011 1:36 am    Post subject: Reply with quote

if i wanted to introduce a newer model injector computer on to a older bike can this be done ? the clip is the same right..?
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DaveVoorhis
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Joined: 22 Mar 2006
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Location: Derbyshire, UK

PostPosted: Tue Apr 19, 2011 5:40 am    Post subject: Reply with quote

blackcash wrote:
if i wanted to introduce a newer model injector computer on to a older bike can this be done ? the clip is the same right..?


It's really, really, really unlikely to be the computer. It's really, really, really likely to be the tank connector, the sidestand switch, or the fuel pump itself.

Your posts are bit difficult to follow, but it sounds like you got the pump running outside the tank but it doesn't run in the tank, right? That means the pump is probably good. Check the tank connector and the sidestand switch. You'll need a test light or an electrical multitester (aka VOM) to test them. If the connector and switch are good, you can use the multitester to find out where the current is, or isn't, going.

If you don't have one, or you don't know how to use it, your work is now done. Take the bike to someone who knows electrical stuff before you empty your wallet on parts you don't need and still end up with a non-running bike.
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Scott_Anderson
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Joined: 05 Sep 2006
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Location: Central Iowa, USA

PostPosted: Tue Apr 19, 2011 7:45 am    Post subject: Reply with quote

Steve also had intermittent fuel pump problems caused by a bad wire where they physically entered the tank on the bottom side.
If I'm not mistaken he had to replace the fuel level sender assy as it's one piece all molded with the wires.
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blackcash
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Joined: 13 Mar 2011
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Location: VIRGINIA

PostPosted: Thu Apr 21, 2011 12:43 am    Post subject: Reply with quote

well i believe i have come to figure out what is going on and that is that the fuel sending unit is faulty there is power going to it but not the pump. could it possibly be the same bug that killed my pump... Question
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grandiosedelusionary
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PostPosted: Thu Apr 21, 2011 3:37 am    Post subject: Reply with quote

Did you recently rebuild the master cylinder ?
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Jim
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PostPosted: Thu Apr 21, 2011 7:57 am    Post subject: Reply with quote

grandiosedelusionary wrote:
Did you recently rebuild the master cylinder ?


As if... Rolling Eyes Rolling Eyes Rolling Eyes Rolling Eyes Rolling Eyes
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1997 K1100LTSE 94,000 - still has gremlins!
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Jim
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PostPosted: Thu Apr 21, 2011 8:01 am    Post subject: Reply with quote

blackcash wrote:
well i believe i have come to figure out what is going on and that is that the fuel sending unit is faulty there is power going to it but not the pump. could it possibly be the same bug that killed my pump... Question


As Scott pointed out, skdonlan had the same or a very similar issue.

Is your original pump dead?
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1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000

"We shall not all die, but we shall all be changed."
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blackcash
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PostPosted: Thu Apr 21, 2011 10:50 am    Post subject: Reply with quote

yeah the original pump is toast and i just got a newer pump that works. and no i did not rebuild the master cylinder .
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blackcash
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PostPosted: Thu Apr 21, 2011 3:40 pm    Post subject: Reply with quote

the mystery has been solved the reason it had no power was due to a broken ground line on the sending unit i fixed that and i have gas now. on the down side i now have to replace a few o rings but a simple fix...
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