96 Trophy 900 Alternator Compatible Trophy 1200

Mytriumphh8sme

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So I haven't had my trophy very long but the alternator (essentially the regulator/rectifier I believe) went out while I was trying to replace the solenoid (I may have crossed a wire by accident and fried it because of being a dumb dumb and not taking the battery off the bike I did disconnect it but long story short it touched some wires while moving around) I went to buy a new battery yesterday to see if it was a bad battery but it's not, the alternator isn't sending a charge also if someone could tell me exactly how to set up the starter solenoid that would be so appreciated, I thought I could remember but then a week went by before I was able to fix it after I took it apart and I forgot how it goes back together. Any thoughts or ways to make the alternator work for my 1200 if it isn't compatible would be great as well. Thanks!!
 

sikatri

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Wow, you did start off in a grand way! Sorry to hear it. I had a few electrical issues with my Thruxton when I bought it. Hopefully someone will chime in on your dilemma. I do recommend shop manuals, I ended up buying two. LoL. I usually take pictures before taking things apart. How much did you disassemble? Can you show us what the state is now?
 

Mytriumphh8sme

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Wow, you did start off in a grand way! Sorry to hear it. I had a few electrical issues with my Thruxton when I bought it. Hopefully someone will chime in on your dilemma. I do recommend shop manuals, I ended up buying two. LoL. I usually take pictures before taking things apart. How much did you disassemble? Can you show us what the state is now?
Ope's disregard last comment on the other thread sikatri, I haven't figured this forum out just yet lol. Yea I'll post a couple pics it should be simple enough I believe it's 5 wires (brown=headlights, small w/r=starter? Big red connected with a small red=positive?, black connected to smaller black and yellow=ground? And small black and white is = neutral? I'm lost lol,. When I put it back for some reason the starter won't work unless I run a additional wire from the small black and white "neutral" to the ground wire but if I do that then it says I'm always in neutral but won't start with kickstand safety down like it did before even if it says it's in neutral. Ughhh I'm frustrated just explaining it let alone figuring it out lol
 

Mytriumphh8sme

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I should add the guy who owned before me definitely made some electrical cuts and changed some stuff I just don't know what which I think is part of my problem as well lol
 

sikatri

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Compare what you bought with the one on your motorcycle. Ratings and bolt layout. The 900 and 1200 look different, but perhaps they share internal components. Couldn’t find out if the rebuild parts differ.844D3F15-AF52-4331-8579-079471AF054A.png
 

Mytriumphh8sme

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Yea the one on top is the one that I bought they don't look exactly the same (one on bike vs the one on 900) but I believe they're bolt pattern to hook up looks the same and the back of it looks the same as well.
 

Mytriumphh8sme

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She ain't the prettiest thing but I love her lol
 

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Mytriumphh8sme

Member
Riding for 14 Years
Local time
Today, 02:50
Joined
Aug 15, 2021
Messages
10
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Age
34
Location
45414
First Name
Bobby
My Ride
1996 triumph trophy 1200
That alternator will be here in 3 days either way so if it does work I will definitely keep you guys updated! And if it doesn't work check the local paper for a man crying before jumping off a bridge for "no reason" LOL
 

sikatri

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That alternator will be here in 3 days either way so if it does work I will definitely keep you guys updated! And if it doesn't work check the local paper for a man crying before jumping off a bridge for "no reason" LOL
Compare the output and such. I briefly looked at a site with rebuild components under Trophy 900/1200. It didn’t show any different components, just one. So perhaps they share some internal parts like the brushes. Which would mean you might be able to rebuild your old one with the newer one if indeed the brushes are worn.
 

Mytriumphh8sme

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Yeah I would probably take everything from it if I have to rebuild it I'm almost certain what I need the most is the regulator rectifier the bike won't stay running when I take it off of the jumper cables and I already tried the new battery thing everyone suggested as soon as the battery ran out of juice the bike died so my next step is the alternator wish me luck. Thanks for your help so far man
 

sikatri

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Yeah I would probably take everything from it if I have to rebuild it I'm almost certain what I need the most is the regulator rectifier the bike won't stay running when I take it off of the jumper cables and I already tried the new battery thing everyone suggested as soon as the battery ran out of juice the bike died so my next step is the alternator wish me luck. Thanks for your help so far man
That’s what I ended up replacing on my Thruxton and the coils when it wouldn’t stay running. Working great on the electric front now. My regulator rectifier was physically damaged so I figured it was toast.
 

Mytriumphh8sme

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Riding for 14 Years
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Bobby
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1996 triumph trophy 1200
That’s what I ended up replacing on my Thruxton and the coils when it wouldn’t stay running. Working great on the electric front now. My regulator rectifier was physically damaged so I figured it was toast.
I hate to say it but this was most definitely my fault when I was rewiring the starter relay/solenoid Im pretty sure I hooked it up wrong and fried the r/r. I heard they're a little sensitive. Also why I really need to find the diagram for it so I don't fry the new one as well ughh lol
 

sikatri

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I hate to say it but this was most definitely my fault when I was rewiring the starter relay/solenoid Im pretty sure I hooked it up wrong and fried the r/r. I heard they're a little sensitive. Also why I really need to find the diagram for it so I don't fry the new one as well ughh lol
Live and learn. I’ve made a few blunders on mine as well, simply from my own inexperience with motorcycles. I know cars, but these have some special needs. LoL.
 
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