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Large Format Wiring Diagram + electrical issues

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Rolling Thunder View Drop Down
L Plates
L Plates

Joined: 04 Sep 2019
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Rolling Thunder Quote  Post ReplyReply Direct Link To This Post Topic: Large Format Wiring Diagram + electrical issues
    Posted: 04 Sep 2019 at 16:38
Hi everyone,

I'm a long time lurker on here so I thought I'd give give something to the forum before asking for any help, so I've attached a large format (A1) wiring diagram which I've redrawn. It's best printed at A3 or above but it's still readable at A4 size. Hopefully this helps someone as it's almost impossible to find a readable one.

I think dropbox reduces it's readability somewhat but here's the link;

Now on to my electrical issues;

I own a 2004 RSVR with very low mileage which I've been trying to get started for the last few months after it's spent a few years off the road.

The current issue is it is unresponsive when I connect a battery now, no dash activity, no pump priming etc although it seems the automatic choke cycles every few seconds as soon as the battery is connected, with or without the key. 
My suspicion is that I have an immobiliser problem but I'd really like to confirm this before I start bypassing it.

My previous unresolved issue was the engine would turn over but not fire. I was getting a spark but no fuel through to the injectors.

Here is a list of everything I've done so far;

  • New Battery
  • Brown connectors removed
  • Earth Cables enlarged (16mm2)
  • Continuity checked new earth leads
  • Various white connectors replaced due to corrosion
  • Injectors cleaned
  • Fuel pump fuel line changed
  • Fuel filter changed
  • Injector relay checked and working
  • Starter Relay changed

Any insights you can give me would be appreciated as I'd love to fix this myself and avoid a 300 mile round trip to the specialists!



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StorminBen View Drop Down
Moto3 racer
Moto3 racer

Joined: 12 May 2019
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Post Options Post Options   Thanks (0) Thanks(0)   Quote StorminBen Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 2019 at 16:45
Might sound silly but have you checked the tip over switch is not fitted upside down
(don't ask how I know that causes similar issues! Angry )
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Spoonz View Drop Down
Admins Group
Admins Group

Joined: 11 Feb 2008
Location: North Devon
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Spoonz Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 2019 at 18:57
The immobiliser effectively just operates the kill switch circuit to kill the engine. Unless it has burnt out big time and cause a short it shouldn’t pull the power down. Just unplug it to be sure as although it won’t start the dash etc should still work. 

The main power feed goes through the 2 30 amp fuses under the seat, check them for corrosion as well as being blown
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