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Post by daven68 on Nov 14, 2013 13:41:08 GMT -6
Hi guys, have not been on here for a while but here I am again with a new electrical problem. Long story short, 300$ , a new stater and RR and I`m still not charging and my mechanic is at a loss as to how to troubleshoot any further. Volt meter at the battery reads 12.7 with engine revved. When the fan kicks on it drops to about 12.5. My knowledge in this area is very limited but i noticed when i took a reading at the fuse box under the seat I was seeing over 14 volts. Is there some way to jump from the fuse box to the battery so that it`s getting a charge?
Thanks for any help,
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Post by JR on Nov 14, 2013 21:39:41 GMT -6
If you're reading 14 volts a the fuse box the it should be the same at the battery, unless you were reading the one single fuse to the headlights which comes right off of the R/R?
This scooter has a history of weak charging problems. We need to start testing things but another good suggestion is to check the ground wire to the frame from the battery. Got to be clean and tight.
JR
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Post by daven68 on Nov 15, 2013 13:33:28 GMT -6
Thanks JR, It`s raining today but I will check again at the fuse box to see if I was touching the one going to the headlights. I will also try to check that ground although my mechanic said it was good, I dont really trust him unfortunately.
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Post by tvnacman on Nov 15, 2013 19:14:54 GMT -6
when you turn the key on does the fan run ?
John
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Post by JR on Nov 16, 2013 5:32:29 GMT -6
The fan will only run with just the key on if the scooter is up to temp to make the switch kick in. For instance if you shut the engine off and the fan happened to be on.
JR
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Post by daven68 on Nov 18, 2013 14:59:54 GMT -6
OK, finally got a chance to take another look. I was using an analog multimeter before so I went and got a digital one. The readings were jumping all over the place and I was wrong about the reading at the fuse box. It appears to be the same as at the battery. Now , I appear to be getting about 12.7 at the batt in idle. dropped back to 12.5 when the fan kicked on (which I think is coming on way before it should but thats another issue). I managed to get a reading of about 13.1 at the battery with the engine revved, no fan and about 12.6-7 when the fan came on. This is actually a little better than I thought but still seems kinda low and right on the border of not being enough. What do you think? Also it looks like I will have to disassemble the panels to get to check the batt ground so I did not get to do that.
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Post by JR on Nov 18, 2013 15:34:12 GMT -6
12.6 volts is extremely borderline. Do you have LEDs in the scooter? If not then you can gain a little there and every little bit helps. Grounding is critical for all the voltage you can get. Also check the fuse box out thoroughly, it's been know to have poor connection problems too.
JR
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Post by daven68 on Nov 21, 2013 10:35:09 GMT -6
Thats what I thought. If you mean LED headlights, i dont. Is it hard to switch over or can you just plug them into existing sockets? When I get a chance and some warmer weather I will pull off the panels and check the grounds. Hate doing that, it`s a major pain on this scoot, I have been tempted to leave them off and just ride around on the open frame. Might even help with my cooling problems.
Also I used to get an e-mail notice when some one responded to a post but I no longer do. I was wondering why?
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Post by JR on Nov 21, 2013 11:18:39 GMT -6
Thats what I thought. If you mean LED headlights, i dont. Is it hard to switch over or can you just plug them into existing sockets? When I get a chance and some warmer weather I will pull off the panels and check the grounds. Hate doing that, it`s a major pain on this scoot, I have been tempted to leave them off and just ride around on the open frame. Might even help with my cooling problems. Also I used to get an e-mail notice when some one responded to a post but I no longer do. I was wondering why? No I mean LED bulbs, like brake/tail light bulbs, instrument and dash light bulbs, even the turn signals. Just changing out all of these can push the voltage up as much as .5V which would mean a lot considering you're at 12.6V now.
I'll check into the email thing, didn't think about it.
JR
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Post by tvnacman on Nov 21, 2013 15:46:12 GMT -6
The chinese wire is thin , I made some changes to my harness . I started at the stator , I put 14awg wire from the stator dorect to the regulator . Then 12awg from the main battery line to the main fuse through the fuse to the ignition switch . I also beefed up the grounds with 12awg wire everywhere .
I have a solid charging system , my battery might even be cooking a bit I'm pushing 16vdc while running .
I use heated clothing jacket liner , gloves and insoles .
150cc with 11pole stator ac ignition 7pin regulator . It has been suggested to me my regulators output is too high . I will live with it and keep it .
John
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Post by damin69 on Nov 21, 2013 19:04:29 GMT -6
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Post by JR on Nov 28, 2013 9:17:53 GMT -6
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