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Post by mark1313 on Jul 22, 2023 16:19:17 GMT -5
Hi. The connector/wires from alternator to rectifier have melted. Any suggestions for a replacement rectifier?
Thank you.
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Post by mark1313 on Jul 23, 2023 7:14:13 GMT -5
Thank you. Still trying to get used to proboard, and reposted  |
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Post by timpa136 on Jul 23, 2023 10:18:54 GMT -5
Mark, there was some recent discussion of the importance of the rectifier grounds which include the battery box
itself bolted to the frame. Others have added grounds for additional insurance.
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Post by wayne on Jul 23, 2023 18:37:37 GMT -5
MARK1313 apologies, my last post answering your question was confusing rectifiers and regulators. Pretty sure that JESS did do some AM rectifiers so worth contacting him at rotaryrecycle@gmail.com
If no luck there, you can try Glenn's suggestion that Suzuki still have many of these items available. Try a part number search on Suzuki Parts Monster in the US, Mick Hone in Australia and not sure who but there'd be someone relevant in the UK.
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Post by Framitron on Jul 23, 2023 21:55:29 GMT -5
Hi Mark1313:
When your rectifier connector melts it may have melted the mating connector as well. So just replacing the rectifier might not solve all of your problems. Take a close look and confirm all of the casualties.
Also, the melted connector can be removed and replaced with another connector since your rectifier itself probably still works. (That's what I did with mine when the connector melted)
Although there's nothing wrong with having a spare rectifier on hand...
Yes, make sure that the sheetmetal that the rectifier is bolted to has a very clean conductive path to the battery negative terminal. (Or build a separate ground wire from rectifier post to battery)
Good luck!
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Post by mark1313 on Jul 24, 2023 5:01:08 GMT -5
Thank you all. I've replaced connectors and terminals, but haven't fired up yet to see if tit makes any difference, or just melts. I shall check earth.
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Post by multistrada1 on Jul 24, 2023 23:14:12 GMT -5
I replaced both connector sides with some help from Timpa and everything has worked great since. Its a fairly generic connector type.
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nairb
2nd Gear
Posts: 132 
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Post by nairb on Aug 2, 2023 18:34:50 GMT -5
For those who are interested in rectifiers. I have made and used the following on my Suzuki gt750/550 & 380. And, as it turned out, the cb550. Originally, they cost about 6 quid(uk) each to make. Non have failed yet, and a new 3 Phase Diode can be plugged in if one fails.
I have not made one for the RE5 yet as I have not checked if the original rectifier is ok or not.
The pic
The diode can come with heat sink or not.
Here is one fitted to the gt380
How much is an original??
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Post by mark1313 on Aug 5, 2023 10:07:58 GMT -5
Do you have any for sale? Cheers
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nairb
2nd Gear
Posts: 132
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Post by nairb on Aug 5, 2023 17:16:30 GMT -5
I dont make these for sale. I doubt they are of "industry Standard". But they do work. And will keep you going until an OEM item can be found. I am sure they could be water proofed if needed. I have used them for years.
All you need is one of these
A 30 or 40 amp one will work too. Some wiring and a plug to match the wiring loom. I forget where I got mine from.
A bit of shrink wrap for the cable ends helps.
Also, useful for a quick check to plug in to see if the oem one is working.
B.
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Post by wayne on Aug 5, 2023 18:34:57 GMT -5
If you need connectors, Vintage Connections make replicas of early Japanese bullet connectors and switch blocks. Brilliant products and I've used them for much more than just old bikes. www.vintageconnections.com/ |
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Post by mark1313 on Aug 6, 2023 13:28:53 GMT -5
Nairb. Thank you. Have you used the 20 amp one with good results?
Cheers.
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Post by mark1313 on Aug 6, 2023 13:32:18 GMT -5
Nairb. Sorry , you said in another that you hadn't made one for the RE5. I've no idea what the current output is. Do you think 20 amp one would be okay?
Cheers
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nairb
2nd Gear
Posts: 132
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Post by nairb on Aug 8, 2023 7:03:21 GMT -5
mark1313. The 20A one is what I use for the GT380. With no electric start, the power requirements are much reduced.
I use the 40A ones for the other bikes. The pic below is from my GT550. It still runs cool without a heatsink on the rectifier. Its been on the bike for the last 7k miles. Similar for the other bikes.
The RE5 will have an additional load of charging a bigger battery and a cooling fan. Lights/horn/indicators are similar to the gt550. My only concern was the rectifier running too hot. So far, none of them seem to.
I have to make one for the re5 since it has longer wiring to the connector block than the other bikes. I am sure a heatsink of some description can be incorporated if needed. Hopefully I will get my re5m running this year and try the rectifier out then.
Put "Bridge Rectifier Three/3 Phase Diode 40A" into weebay and you should get a list. There are even 50A ones.
B.
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