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Post by cyborg on Mar 7, 2019 9:10:54 GMT -6
That's my take on the whole deal
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Post by ellpee on Mar 9, 2019 16:44:10 GMT -6
Okay, after considerable effort I finally got the old ignition key switch out of my Magnum, with an eye to maybe replacing it with a generic from AutoZone or wherever. HOWEVER -- there's always a HOWEVER -- I need some advice from anyone who is REALLY familiar with this switch.
It has THREE wire harnesses coming out of it. One, a two-wire harness, both red, that looks like it connects to the metal housing of the device rather than to any internal electrical stuff. Second, a single black/white wire. And third, a three-wire harness, green/black/red, that connects to the back end of the assembly and presumably takes care of the primary functions of the key switch. The latter two do come out of the back of the switch assembly and are hard-soldered to connectors under a rubber sleeve.
IN ADDITION, something I had not foreseen, it has a brass or copper piston-like thing sticking out one side that went into the metal mounting bracket, sort of like a solenoid. Moves back and forth about 1/4", no idea what it might be for.
So I'm at a loss what all these various things might be for and whether simply replacing them with a generic key switch is going to work. After I remind myself how to post pictures I'll do so, but in the meantime I'm hoping there's somebody out there reading this who is actually familiar in detail with Magnum electrical (or Zodiac or Tornado, guessing they'll have same ignition switch setup). If so, please make yourself known and we can strike up a conversation here.
Bear in mind, this assembly does more than just turn the key on and off. It also connected to a cable that, when the key was turned extreme left, would pop open the under-seat compartment, and it also had a separate locking mechanism that I believe was supposed to lock up the whole assembly so the scoot could neither be started nor the seat opened up. Not sure on that last part, never used it.
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Post by ellpee on Mar 9, 2019 18:52:45 GMT -6
To clarify, the solenoid-like thing is just a mechanical piston that locks the steering column in place, no relevance to the electrical part of this. But the two-wire harness remains a question: what does it do and can I dispense with it? Guy at he Yamaha shop says it looks like it might be sending a signal about key position to something, but to what?
In addition, looking closer at generic key ignition switches they all seem to have a position for cranking the starter, which of course I don't want -- just on/off, as I already have a starter switch for that purpose. So AutoZone may not be the answer, but now that I'm in this deep I'll keep googling.
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Post by ellpee on Mar 10, 2019 9:12:17 GMT -6
Pix, I hope. Big mystery is the two-wire harness that attaches to the assembly right by the keyhole -- what's it for?  0.2 MB DSCN1014.JPG Check Error 0.2 MB DSCN1015.JPG Check Error 0.2 MB DSCN1016.JPG Check Error 0.2 MB DSCN1017.JPG Check Error Well, that didn't work. Need a refresher on posting pix, been at least a couple years, things change. |
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Post by ellpee on Mar 10, 2019 19:13:36 GMT -6
Update, tore down the whole key switch assembly a level further, since one way or another it has to be replaced anyway.
Turns out that two-wire harness connects to a wafer circuitboard built into the assembly right at the front where you stick the key in, black cover gizmo that says on/off/lock. As far as I can tell it has 12v positive and ground, nothing else. No clue what it's for though, must have something to do with key position? What else in the Magnum's electrical might need to know that one bit of information?
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Post by cyborg on Mar 11, 2019 9:13:13 GMT -6
This is out of my wheel house I think a call or message to Jim at rapid repair is in order now
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Post by ellpee on Mar 11, 2019 13:21:15 GMT -6
Okay, hate to keep bugging him with no positive cash flow....
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Post by ellpee on Mar 12, 2019 11:08:52 GMT -6
Rapid Jim confirms those re "mystery wires" are simply for illumination of the keyhole, so nothing critical to anything else on the scoot. If I go generic can just deadhead them and ignore them. (Never actually knew the keyhole had a light!)
Which leaves me with the question, why would a simple on/off switch have FOUR wires? Guessing 12v in, 12v out to solenoid via starter switch, 12v out to everything else, and something else. Ground, maybe? Wires are red/black/green, one of those colors is usually ground, correct? Will be doing a lot of voltmeter testing before I make any firm connections, don't want a meltdown.
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Post by cyborg on Mar 13, 2019 6:26:59 GMT -6
Yes ground
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Post by ellpee on Mar 14, 2019 9:01:12 GMT -6
Picked up a butt-simple two-wire key switch but now grappling with what to do with the FOUR wires that came off the old switch. Have confirmed that red is battery 12v in, and lots of googling suggests the B/W is for the starter button and solenoid via the brake handles. Black is presumably 12v out for everything else, and green is surely ground but the 2 wire switch has no ground connection.
Would prefer to just get a four-wire, but all the ones I've found so far at Autozone, etc., have an ACC and START position that I don't want or need. All the old one had was on and off, basta. What might be a good source for four wire scooter key switches with on/off only?
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Post by ellpee on Mar 16, 2019 8:40:47 GMT -6
Latest: ordered a more or less generic four wire key switch from a local Yamaha/Canam dealer, and will see what lights up or doesn't when I hook it up. Getting perilously close to putting this scoot on Craigslist as a mechanic special. Dealer was hyping the smaller Canam (?Ryker?) at about $8k, anybody have any experience to share? Looks like I'd have to accessorize quite a bit, windshield, saddlebags, etc., and of course it's a two in front about which I've heard some negative things.
MORE: reconnected the dashboard unit -- gauges, indicator lights, etc. -- now that I've built a plausible theory about what wire from the key switch does what. Unfortunately, connecting battery 12v wire to black wire caused same behavior, everything on the dashboard lit up and stayed on, same as before I started all this. Not what I had hoped for, suggests to me a problem with the dashboard unit itself rather than the key switch; IceBear will probably want $1000 for a new one if that's my problem, and have it on back order for six months! If any thoughts out there about this behavior, I'm listening. (REMINDER: started with indicator lights flickering at higher RPM, then suddenly everything lit up and nothing actually works -- starter circuit, handlebar switches for lights, horn, nothing.)
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Post by cyborg on Mar 17, 2019 9:22:57 GMT -6
Try eBay for a stock switch ,,reassemble that thing and jettison it
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Post by ellpee on Mar 17, 2019 15:01:52 GMT -6
Leaning hard in that direction if I can find somebody who'll take it off my hands when it's not running. Checked again just now, connecting power lights up entire dash but nothing else works. No lights, no horn, no starter. Will postpone the verdict until I can install the new key switch and see if hooking up the remaining wires helps, but I'm by no means optimistic. Ah, for a good Magnum wiring diagram. I'm no electrical whiz, but without one of those this is really shooting in the dark. Must be a mile of wires and a couple dozen connectors under the front end. Pity, it was doing pretty good there for awhile.
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Post by ellpee on Mar 21, 2019 17:41:55 GMT -6
New key switch did nada. Have emailed Rapid Jim for any help he is willing to give, otherwise it goes on Craigslist as an "as is" for somebody electrically smarter than I. Too old to be dealing with this dookey every few months! List of problems with this Ice Bear product is getting way, way too long.
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Post by cyborg on Mar 27, 2019 7:32:07 GMT -6
Someone left a Chinese scoot at my shop I lease,,it was in the corner with a drop cloth over it,,,1100 something miles,,,I didn't have the heart to toss it in the dumpster but I have no interest in it,,,Chinese scoots have come a long way but still not where I'd consider buying one,,,
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