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Post by tumbleweed on Feb 17, 2014 10:22:45 GMT -6
A few days ago I had my plastics off to do a PDI. At the same time I changed my headlamp bulbs from the original dull ones to 50/55 HID's, and they work great! They fit right into the original sockets. So now I can drive at night with confidence.
The only problem is, now my turn indicators and emergency flasher don't work. The turn indicator lamps work ok with the alarm system, but not with the turn switch or the flasher switch. I replaced the flasher and, after waiting a couple of seconds, they worked for a few flashes, and then stopped. I never installed an HID kit... just changed the headlamps themselves. Does anybody have a clue as to what might be happening?! I have a 2008 yy250t 244cc. I love it!
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Post by tumbleweed on Feb 3, 2014 14:51:53 GMT -6
Isn't the temperature sender for the guage actually on the thermostat housing. I believe the thermo-switch (that, when it reaches a certain temperature, completes a circuit that turns the fan on or off) is actually the one that is located at the bottom front of the radiator.
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Post by tumbleweed on Jan 21, 2014 19:24:07 GMT -6
Well, I removed all the plastics from the front, looked for in-line fuses, and found there are none. Maybe I was reading the wiring diagram wrong. Then I went back and checked the four fuses in the fuse box. All OK. Next I removed the entire fuse box. When I checked the wiring underneath I discovered two problems: A) the location of the fuse for the fan was different than the one indicated on the diagram shown on the inside of the box, and B) one of the female receptacles for the fan fuse had been pushed down and wasn't contacting one of the male prongs from the fuse. (Now I remembr reading on a post by another member that this could happen). Tested the fan by crossing the wires leading to the thermo-switch. FAN WORKS!
Next I decided to double-check the thermostat to be sure I didn't put it in backwards. It's OK.
Is there a way to test the thermo/switch?
How do I check the water pump to be sure it's OK?
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Post by tumbleweed on Jan 20, 2014 13:38:37 GMT -6
Does anybody know how I can move this threat from "non-Chinese" to "Chinese"?
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Post by tumbleweed on Jan 20, 2014 13:03:32 GMT -6
Thanks for the replies John and Skyrider. I've checked the four fuses in the fuse box under the seat. They all appear to be good. I Also checked them with a multimeter by touching the negative wire to ground and the positive wire to one side of each fuse, then the other (am I doing this right)? All four checked out at 12V on both sides. The problem seems to be in the wires running to the thermo-switch. Do they complete a circuit between the fan and the main on/off switch? Looking at the wiring diagram, it appears that there's an in-line 10A fuse on one of those wires, but I haven't been able to locate it. Is there a way to see if touching those two wires together is completing a circuit? skyrider - So if I'm getting this right, there's a temp guage on the instrument panel, a temp sender coming off the thermostat housing going to the guage, and a thermo-switch on the bottom of the radiator. Do I have this right? The thermo-switch completes a circuit (pos or grnd) that turns the fan on or off? When it overheats and I turn the motor off, hot coolant is being forced out the cap for the overflow bottle. Can anyone tell me how to test the water pump? |
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Post by tumbleweed on Jan 20, 2014 1:31:59 GMT -6
Just before Thanksgiving I purchased a used 2008 Jonway yy250t-2 (244cc) for $1000. It seemed to run well, so I rode it home, about 125 miles. I knew nothing about the mechanics of a scooter, and hadn't ridden any kind of motorcycle for 43 years, so this was a fun ride! I noticed the temperature gauge getting up near the top 3 or 4 times, so I stopped to let it cool and added water as needed, then continued on. Other than a flat tire due to a bad tire stem, it was a great trip. A few days ago, after driving around the area a bit, I decided to do a PDI. At first I thought I'd just replace all the fluids, hoping a thorough cleaning of the cooling system, and refilling with 50/50 coolant and water would solve the overheating issue. After reading extensively on the forums, I decided to go the whole route with the PDI. I have all the plastics off, have changed all the fluids, and have cleaned and burped the cooling system as per your instructions. At this point, I'm having some problems: - Coolant doesn't appear to be "flowing" when I watch with the coolant cap off. This baffles me a little, since both the upper and lower hoses are getting hot. I boiled the thermostat and it's working. I took the cover off the water pump to inspect the vanes and check for any junk that might be hidden in there. It all looked good. I didn't know how to check to see if the pump was working, so I skipped that.
- Even though the radiator fan was working when I bought it, it only worked once when I took it on a test ride, but I don't think it ever ran again. As part of the PDI, I crossed the wires leading to the thermo switch once, and the fan went on. Then,after I did the burping, etc., and heated things up as described, I couldn't get the fan to come on when it seemed it should have. I decided to test it again. Only problem is...I did it wrong this time, and ran a hot wire from the battery to the two thermo switch wires. I got a spark and melted the clear plastic protector for one of the female connectors a little. I tried touching with the hot wire again and this time I got no spark. Now, when I touch the two thermo switch wires together, The fan doesn't operate. After looking at the wiring diagram it appeared to me that there may be an in-line fuse on that wire, but I don't see one, and don't know how to find it.
I need HELP!!! Do you think you can help me? I don't know what to do next. Thank you for the wonderful service you provide!!! |
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