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Locked electrical troubleshooting for an R90S
开云体育Hi all. I was having problems with my starter relay on my 75 90S? . My mechanic rebuilt the relay but it failed again.? I noticed that Boxer2Valve? was showing a replacement relay thad no moving parts.? Anyone have experience with one? ? Ted Cymbaly? ? Sent from for Windows 10 ? |
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开云体育Hi Neil.?Check to see if there is 12 volts at the big heavy red wire on the diode board. It is on the lower left as sitting on the bike. This come straight from the battery. Check this to anywhere on the engine case for the ground. I’m wondering if you arced a connector inside one of the main ground wire ends. This being the wire from the battery to the transmission. Also recheck the battery connections for clean and tight. You had two turns of the starter motor which makes me think your short pulled alot of amp through an old crimp terminal. Richard Chawes
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开云体育Not addressing your primary question…but….is the starter motor in this bike a stock Bosch?...or, is it a Valeo or other starter? ? From: [email protected] <[email protected]> On Behalf Of Ted Cymbaly
Sent: Wednesday, March 31, 2021 6:58 PM To: [email protected] Subject: Re: [R90SWORLDNET] electrical troubleshooting for an R90S ? Hi all. I was having problems with my starter relay on my 75 90S? . My mechanic rebuilt the relay but it failed again.? I noticed that Boxer2Valve? was showing a replacement relay thad no moving parts.? Anyone have experience with one? ? Ted Cymbaly? ? Sent from for Windows 10 ? ?
-- Robert (Snowbum) Fleischer, Carson City, NV, USA |
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Reference electrics in general; these bikes are now over 45 years old and the electric wiring gives out over time. The wires can look fine but inside the looms it can generally not be so good. I recommend replacing the two wires to the battery and I use thicker?ones. Burnishing ?ALL the connection points, grounds, bulb sockets, horn, etc. and adding a thin coat of NO-OX-ID A Special helps to prevent corrosion and promote conductivity; Di-Electric grease does NOT promote conductivity but does prevent corrosion. When I do this everything works better; the lights are brighter, the starter spins better, the horn is loud and distinct, but it also depends on what kind of life and what mx was performed on the bike over its life, through how many owners? And I am glad I replaced my wiring harness, it was just due. Everything now works just like new. Mac Kirkpatrick Glenmoore, PA "After all, what is adventure, but inconvenience, properly regarded?" C. Donahue On Wed, Mar 31, 2021 at 9:58 PM Ted Cymbaly <tedcymbaly@...> wrote: |
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Donald Walter
开云体育Thanks for sharing these ideas. Hadn’t heard of No-Ox-ID A Special and just ordered some. Had heard that di-electric grease was an insulator but didn’t know there was a conductive alternative.?Interesting how many odd and hard to diagnose electrical issues relate back to insufficient grounding. It’s often the problem in what I term “the eternal curse of trailer lights”, especially on open trailers. I now run ground wires from the vehicle connector’s ground directly to the trailer lights and don’t rely on the often unreliable grounding effect from grounds near the lights back through the metal trailer components to the vehicle ground. It’s cut my curse count back significantly.
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