reversed polarity while jumping

I have Suzuki Bandit S600 1996. After cleaning and flushing carburator
decided to
start the bike. Battery was really low, so I jumped it from another 12
V battery.
But unfortunately swapped cables. (I know, but I was tired and just
wanted to get it over with).
Now electrical is completely dead. I turn ignition switch and nothing
happens - no lights, no clicks.
Checked voltage - battery has 12 V. All fuses (at least in the fuse box
under seat) are OK. So what's next?
I know very little about motorcycles, but relatively comfortable with
cars.
Any help will be greatly appreciated!

 

No lights, no clicks, nothing- You may have cooked the main relay. The
"click" you hear when you turn the ignition key is a relay that allows
the battery to power up everything else. If it's bad, nothing works.
It's sort of a "if momma ain't happy, ain't nobody happy" kind of
situation. I'm thinking it's usually located near the fuse box. There
could also be a master fuse somewhere. It sounds like it's time for you
to dig out the voltohmeter. Keep us updated.

Charles

 

Hopefully, it's just the main fuse that's blown. It doesn't seem to be
in the fuse box...

Go to www.partsfish.com and register. Select Suzuki motorcycle and add
GSF600S BANDIT to your garage. Look at the Electrical Parts Fiche...

Good news. There's a 30-amp fuse in a part called "starter cover". It
seems to be the main fuse. That cover may be on the starter solenoid,
not the starter itself, supplying power from the battery to the
ignition switch...

Bad news. Cross your fingers. Your bike has a bunch of diodes in it.
Like the diodes in the alternator that convert AC to DC. That's on the
Alternator fiche. You may have blown one or more diodes by hooking up
the jumpers backwards...

More bad news. Your alternator has an expensive integrated circuit
voltage regulator. That's on the alternator fiche, too. You may have
blown it out, by reversing polarity...

More bad news. You may have blown out logic diodes in the starter
safety interlock system, and the bike still might not start after
replacing that 30 AMP fuse...

Check the wiring diagram in your owner's manual. Everywhere you see a
little black arrowhead symbol on the diagram, that's a diode, and they
don't like it when current goes through them the wrong way...

More bad news. There's a part called "diode" on the Wiring Harness
fiches at partsfiche.com...

I don't know what it does, but if you've blown it out, it's not going
to do what it's supposed to do...

Try looking for the ignition module at partsfish.com. Ignition modules
don't like to be hooked up backwards. That blows out the transistors
inside...

Hopefully, you just blew that 30-amp fuse. Cross your fingers...

 

I have a 1200 Bandit.

I put the battery in backwards once, probably an equivalent thing.

What happened is it blew the big (I think it was a 30 amp) fuse. It wasn't
in with the other fuses, it was under the left sidecover.

I was kinda freaked because I thought I'd popped something expensive, but
replacing this fuse fixed it and everything has been fine since.

I got a new one (and some spares to keep under the seat) 2 blocks away at
the corner gas station. It's a standard automotive fuse.

Hope this helps.

D.

 

You might want to mark the positive leads and terminal
bright red. Saves lots of grief when one of those nasty
brain farts strikes. Little bit of paint and/or red tape.

 

The canonical way of jump-starting is to attach the positive lead
to the positive terminal of the battery, and the negative lead to
some body/frame component that is grounded -- not to the negative
terminal of the battery. Even if you don't reverse the leads,
you can explode a battery...

 

Diodes prevent current flow in one direction, allow flow in the other.
Connecting backwards should not blow them up, they should prevent
current from reaching other components. But, YMMV.
--
Gopher 33 28 19N 112 01 49W
'77 CB750K '78 CB750K
'00 ZG1000 '96 Ducati 900SS
**********pull 'mychain' to reply***********
("I've abandoned the idea of trying to appear a normal, pleasant person.
I had to accept myself as I was, even if no one else could accept me.
For the rest of my life I would continue to say precisely the wrong
thing, touch people in the raw and be generally unpopular. I had a
natural gift for it" W. F. Temple)

 

One would certainly hope that reversing polarity wouldn't be enough to
reach the reverse voltage level where current does flow the wrong way.
However, I wanted to cover as many reasonable possibilities as seems
likely, in case other problems arose out of hooking up the jumper
cables backwards...

Sasha did e-mail me, saying that he'd found and replaced the 30-amp
main fuse that was not in the fuse box, and that his lights worked, but
he didn't say whether he'd started the engine, or if the alternator
still worked...