ZZR1100 C2 Electrical Issue

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ZZR1100 C2 Electrical Issue

Postby Xbob470 » Sun May 20, 2018 10:19 pm

Hello everyone,

I picked up a ZZR1100 with a fair few miles on it, so expected some issues, even though it has been very well maintained.

I pulled into the services on the M1 to grab a drink, turned and pulled the key out of the ignition and the lights were still on. The neutral light, fuel lights (ticking), oil light, front and rear lights. I was a bit shocked, so started the bike back up and turned it off again, double checking to see if it was just me. But no, the problem persisted. Putting the steering lock on didn't help either. I rode home and just left it happening over night, and by the morning the battery was drained, unsurprisingly.

Straight away I thought "must be the ignition switch", so bought a new one of those and fitted that, which did nothing. I also checked the wires and they didn't look like they had melted through and came into contact. Now after that I have no idea what it could be, so I'm a bit lost...

Has anyone got any suggestions or anything I can try? Open to anything, just want the bike back on the road for the summer!

Thanks a lot in advance,

Xbob
Xbob470
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Posts: 5
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Geographic Location: Market Harborough
My Bike Make: Kawasaki
Engine Size: 1052
Model: ZZR-1100

Re: ZZR1100 C2 Electrical Issue

Postby Confusion » Mon May 21, 2018 8:15 am

Xbob470 wrote:...pulled the key out of the ignition and the lights were still on.....


I assume the key won't come out of the lock unless the switch is in the off position.

Has anyone got any suggestions or anything I can try?


Is there an alarm, heated grips or any other accessories fitted to the bike?

If you look at the wiring diagram, you will see that there are very few points
that are common to the battery and ignition lines. The wire from the main fuse
(usually white) goes to the junction box, the alternator and finally
to the ignition switch. The switched output from the ignition switch (brown) feeds
almost all of the electrical items on the bike.

If the switched output of the ignition remains live when the switch is off, you have:

A faulty ignition switch

A short circuit between battery and ignition lines. Damaged/melted wires or
connectors. A short within some accessory which has connections to both
battery and ignition lines. An alarm is the most likely culprit.

Have a close look at the alternator connector. These are very prone to heat damage
on the ZZR1100D. I assume the C model used the same type of connector. A short
at this point would effectively bypass the ignition switch.

Check the wiring around the junction box.

Does the problem persist when you unplug the ignition switch from
the loom? If so the fault must lie somewhere between the battery positive
and the brown ignition wire. A few minutes with a multimeter will find it.

Good luck.
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Confusion
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Joined: Mon Aug 05, 2013 10:22 pm
Location: Ireland
Geographic Location: Cork
My Bike Make: Kawasaki
Engine Size: 1052
Model: ZZ-R1100 D5

Re: ZZR1100 C2 Electrical Issue

Postby Xbob470 » Tue May 22, 2018 3:05 pm

Hello Confusion,

Thank you very much for the detailed response. You must've taken a while to reply to that, so it's appreciated!

I've tried unplugging the ignition and the problem persists, so I can rule that one out.

There's no alarm system or heated grips, however, the previous owner(s) fitted a hazards light button, which may be the culprit? I'm working away from home at the moment so am unable to continue working on the bike, but will definitely try your suggestions when I get back.

Cheers,

Xbob
Xbob470
n00b
 
Posts: 5
Joined: Mon Apr 30, 2018 4:42 pm
Geographic Location: Market Harborough
My Bike Make: Kawasaki
Engine Size: 1052
Model: ZZR-1100


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