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#1 |
Junior Member
Join Date: Oct 2014
Posts: 1
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Greetings,
I have a 2002 GZ250 that has recently developed some electrical problems. First, the headlight stopped working. Good bulb, good fuses, clean contacts in the hi/lo beam switch. I tested each visually and with an ohm meter. Then it worked again, but the tail light and running lights stopped working. The brake light still works, and the turn signals work perfectly. The bulbs and fuses are all good, tested visually and with an ohm meter. At the fuse-box, testing for DC across the fuse terminals, I have full voltage going to the taillight, which makes sense because the brake works. The wiring from the fuse box to the tail light assembly looks intact and the contacts I have identified are all clean. But the voltage to the headlight fuses is very low (when the headlight is not working. It still works occasionally). I also checked the kill switch and starter switch - they looked fine. The clutch and side stand switches are working properly. The bike runs great. Just no head, tail, or running lights! Someone suggested it may be the ignition switch, so I replaced it with an Emgo ignition switch - no dice. Just finished a short ride at the start the headlight was out. After ~5 minutes it came on! What am I missing? Login or Register to Remove Ads Last edited by bob21; 10-25-2014 at 06:41 PM. |
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#2 |
Senior Member
Join Date: Feb 2010
Location: P.E.I. Canada
Posts: 3,784
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Bad main ground??
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#3 |
Senior Member
Join Date: Nov 2008
Location: Tenerife (Spain)
Posts: 3,719
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Yes - sounds like a wiring fault. Perhaps a break that keeps making and breaking. If I were you, I'd physically check the wiring from front to back.
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By birth an Englishman, by the grace of God a Yorkshireman. Login or Register to Remove Ads |
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#4 |
Member
Join Date: Aug 2012
Location: Hattiesburg, MS
Posts: 37
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I am having a similar issue, so I'll piggyback on here for now in hopes that it might help us both find a solution. I have headlights, but no running lights at the front turn signals (turn signals work, but possibly weakly) no lights in the speedo housing (bulbs work, tested in the highbeam indicator socket and came on when appropriate), and no tail light. Brake light also works without issue. I have traced nearly all of the harness and have not found a problem that jumps out at me yet. Had a potential fault in the headlamp bucket but fixed that up and still having the same problem.
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#5 |
Member
Join Date: Aug 2012
Location: Hattiesburg, MS
Posts: 37
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Ok, so I won't be much help then afterall. I went and checked my engine ground and tinkered some more to no avail. Then I decided in sheer frustration to check fuses again. I had a blown tail light fuse which was the cause of all my problems. I checked it before, but not that closely and it was getting dark, but in the light I saw the break. Replaced it and I'm good to go. Sorry I wasn't much help with the original poster's problem.
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#6 |
Senior Member
Join Date: Nov 2008
Location: Tenerife (Spain)
Posts: 3,719
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Your answer is more correct than you might imagine. A blown fuse is exactly the same as a break in the cable (except that the break is where it should be, and not in the wiring harness)
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By birth an Englishman, by the grace of God a Yorkshireman. |
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#7 | |
Senior Member
Join Date: Dec 2006
Location: Squamish B.C Canada
Posts: 11,409
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Quote:
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#8 |
Senior Member
Join Date: Apr 2012
Location: Elkhart, Indiana
Posts: 369
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check the connection inside the head light the part when the wires flex when you turn the handler bar
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#9 | |
Senior Member
Join Date: Dec 2006
Location: Squamish B.C Canada
Posts: 11,409
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Quote:
Yup, check the wiring around the steering head and the wiring in the headlight bucket. There is quite a bit of vibration in the headlight to cause wear on the wiring. The wiring at the steering head gets a lot of pulling and pushing with the flexing it goes through as you turn the bars. All it would take is a partial break in a wire to cause a lot of grief. Make sure the wiring is free of hang ups when the bars are turned. This is about the only place on the bike that you don't want secure unmovable wiring. |
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Tags |
electrical, headlight, tail, turn |
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