Author Topic: J box shot?  (Read 2480 times)

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Offline 2linby

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J box shot?
« on: June 26, 2014, 09:16:43 pm »
Take a look at the back of this J-box printed circuit board.  The very far left runs and the very top run are very "worn". Anyway to fix this without replacement?  I believe this is now the issue I have been having with the bike totally shutting down electrically while riding. 

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Offline BBroj

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Re: J box shot?
« Reply #1 on: June 26, 2014, 09:21:55 pm »
Not sure those traces are actually worn, but moisture has gotten below the seal coat and discolored them. They may be compromised, but they could be just fine. To fix without replacement, I have followed the trace to each end and soldered a wire across the back to supplement the trace. It could even be used to replace the traces, as both are only 2 points of contact.
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Offline Mcfly

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Re: J box shot?
« Reply #2 on: June 26, 2014, 09:30:47 pm »
 :iagree:  Have you thought about soldering in some jumper wires?  It might confirm your 'theory'.
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Offline Rev Ryder

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Re: J box shot?
« Reply #3 on: June 26, 2014, 09:41:23 pm »
I'd jumper it just to feel sure.  If the problem quits (as already noted) you'd know for sure. Well, either way you'd. Know.
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Offline 2linby

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Re: J box shot?
« Reply #4 on: June 26, 2014, 10:27:42 pm »
Well I jumped three connections, buttoned it back up, and it fired right up with all electrical a working.  Then about three minutes in the damn thing dies again. Flip the ignition several times and eventually it fires up!  So my suspicions are that the ignition is shot.

I hate electrical issues!  >:(

Time to bite the bullet and get a new ignition switch. ???
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Offline 2linby

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Re: J box shot?
« Reply #5 on: June 26, 2014, 11:21:31 pm »
Ebay ignition switch mounted on the triple tree top on the way.  Just have to deal with two keys..... >:( >:(
"2linby" Get it? "Tooling by" "Everything is simple, but nothing is easy".
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Offline jathkajoe

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Re: J box shot?
« Reply #6 on: June 26, 2014, 11:41:54 pm »
'2Linby:

Try taking the old ignition switch to a locksmith and as him if he can rekey it. If hey, then you can take the new switch to him to rekey to match the old one.

Just a thought.

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Offline BBroj

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Re: J box shot?
« Reply #7 on: June 27, 2014, 12:33:39 am »
I haven't messed with it on this bike, but is the key portion of the ignition switch separable from the electric switching portion? Maybe you can keep your key cylinder and just mate it to the new switch.
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Offline 2linby

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Re: J box shot?
« Reply #8 on: June 27, 2014, 02:02:22 am »
I haven't messed with it on this bike, but is the key portion of the ignition switch separable from the electric switching portion? Maybe you can keep your key cylinder and just mate it to the new switch.

To the best of my knowledge it is a "sealed" unit. However I know others have disassembled them with success. I plan on doing this with my original unit, but if things so south at least I will have another unit ready to go. I don't want to be without the bike for very long, my "psyche" could not handle it!  :-\ :-\ :-\
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Offline davida

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Re: J box shot?
« Reply #9 on: June 27, 2014, 01:27:17 pm »
 If you can solder a jumper wire, (wonder what gauge?) you might as well replace the relays.  Digi key has them for under 10 bucks. Make sure connectors are clean and tight.
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Offline Rev Ryder

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Re: J box shot?
« Reply #10 on: June 27, 2014, 01:32:24 pm »
It's been a while, but I've had both older and newer model C-10 ignition switches all apart.  IIRC, it's not a big deal (one screw) to remove the electrical part from the lock part.  So one COULD pretty easily put the newer, functioning electrical portion onto their already functioning, key fitting lock portion.  I don't think I'm steering you wrong with this, but as I said, it's been a few years since I did this.  However, I HAVE done this successfully.
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Offline 2linby

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Re: J box shot?
« Reply #11 on: June 27, 2014, 02:46:08 pm »
It's been a while, but I've had both older and newer model C-10 ignition switches all apart.  IIRC, it's not a big deal (one screw) to remove the electrical part from the lock part.  So one COULD pretty easily put the newer, functioning electrical portion onto their already functioning, key fitting lock portion.  I don't think I'm steering you wrong with this, but as I said, it's been a few years since I did this.  However, I HAVE done this successfully.

Thanks Rev. Once I have the "used" one in hand I will remove mine and see what is what. Ideally replacing the worn parts and keep my ignition tumblers is my choice, but again, we'll see.   
"2linby" Get it? "Tooling by" "Everything is simple, but nothing is easy".
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Offline Rev Ryder

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Re: J box shot?
« Reply #12 on: June 27, 2014, 02:52:07 pm »
It's been a while, but I've had both older and newer model C-10 ignition switches all apart.  IIRC, it's not a big deal (one screw) to remove the electrical part from the lock part.  So one COULD pretty easily put the newer, functioning electrical portion onto their already functioning, key fitting lock portion.  I don't think I'm steering you wrong with this, but as I said, it's been a few years since I did this.  However, I HAVE done this successfully.
Trying to remember, but it's been a long time.  There are probably TWO screws... one for the plastic cover and another that actually holds the switch to the lock.  OR you could take both to the locksmith and let him swap tumblers providing you have keys for both.  That would work just as well, but might cost a bit. Removing the switch from the triple is the hardest part of the deal.  I just center punch and drill the funky bolt heads off and remove the switch/lock and then use a vice grip to pull the bolts (or sometimes just fingers) which are then replaced with more conventional fasteners (the bolts, not the fingers).

Thanks Rev. Once I have the "used" one in hand I will remove mine and see what is what. Ideally replacing the worn parts and keep my ignition tumblers is my choice, but again, we'll see.
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Offline 2linby

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Re: J box shot?
« Reply #13 on: June 28, 2014, 11:52:15 pm »


The ignition switch is separate from the contacts. By removing the triple tree you can remove two small security screws that incidentally, if you own an old Garmin 2610, the security torx wrench they supply fits these screws!



I removed the contact housing from underneath the ignition switch, then removed the cover to reveal the contacts.



Just a little dirty and corroded from the past 13 years of use....



Cleaned them up with lemon juice, baking soda and an old tooth brush

Reassembled everything and so far so good!


« Last Edit: June 28, 2014, 11:59:28 pm by 2linby »
"2linby" Get it? "Tooling by" "Everything is simple, but nothing is easy".
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Offline Camper Dave

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Re: J box shot?
« Reply #14 on: June 29, 2014, 12:17:33 am »
Cleaned them up with lemon juice, baking soda and an old tooth brush
I hope you were wearing safety glasses  :nananana:
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Offline norm-9688

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Re: J box shot?
« Reply #15 on: June 29, 2014, 01:59:05 am »
Mmmmm  I seem to recall someone suggesting checking the switch awhile back  :great:

Offline Bill_Heil_NM

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Re: J box shot?
« Reply #16 on: June 29, 2014, 02:17:38 pm »
Nice piece of work and lots of good info.  thanks and hope that fixes your problem.

Offline 2linby

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Re: J box shot?
« Reply #17 on: June 29, 2014, 02:26:03 pm »
Mmmmm  I seem to recall someone suggesting checking the switch awhile back  :great:

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"2linby" Get it? "Tooling by" "Everything is simple, but nothing is easy".
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Offline 2linby

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Re: J box shot?
« Reply #18 on: June 29, 2014, 02:28:11 pm »
Cleaned them up with lemon juice, baking soda and an old tooth brush
I hope you were wearing safety glasses  :nananana:

WHAT???  Oh wait, I have to remove my safety earplugs first........................................... :nananana:
"2linby" Get it? "Tooling by" "Everything is simple, but nothing is easy".
Ex NWAD, AAD, COG #5539, IBA #15034 TEAM OREGON MC Instructor, Mentor 2001 Sonic Blue  166K and counting!
http://tinyurl.com/njas8 (IBA BBG)
http://tinyurl.com/lwelx (Alaska trip