4th Alternator GL1500


Information and questions on GL1500 Goldwings (1988-2000)
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WingAdmin
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Re: 4th Alternator GL1500

Post by WingAdmin » Tue May 22, 2018 4:10 pm



DenverWinger wrote:
Sat May 19, 2018 7:31 am
PO installed a High-Output alternator on my 1500, not sure if it's a Compufire or LActrical (how do you tell the difference?) - It whines, but does not growl..... Lots of "juice" though, even at idle.... :)
This is a Compufire:









This is a Lactrical:










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DenverWinger
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Re: 4th Alternator GL1500

Post by DenverWinger » Wed May 23, 2018 7:21 am

Thanks, Scott. Easy to see difference. I'll have to go look again but if memory serves me I have the Compufire.
They say 98% of all Hardleys ever made are still on the road..... The other 2% made it home. :lol:
(I stole this from somebody on another GW site...) :roll:

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curtm
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Re: 4th Alternator GL1500

Post by curtm » Sat May 26, 2018 5:04 pm

Well, 134000Km's and the alternator went also, Pulled it apart , brushes good, Either the stator or the rotor, i checked them according to the service manual but inconclusive , Got a 85 Amp lacteral coming, the alternator was the original on the bike, it is odd why some bikes go thru 2 or 3, peaple talk about 85 or 90 amp alternators, Humm, I did a Current check on my mine with every light ,accessory on and it only draws 32 amps, Wonder why we think we need 85 amps ? It does not hurt an alternator to run at max current draw that it was designed for with the exception if you have a heating issue, iam not sure what you could possibly have a on a bike that would draw any where near 85 amps, iam sure there will be a discussion about my post
Curt

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DenverWinger
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Re: 4th Alternator GL1500

Post by DenverWinger » Sat May 26, 2018 5:39 pm

No, you'd never need 95 amps, the thing about the High-Output alternators is they can put out the 32 amps at IDLE RPMs
They say 98% of all Hardleys ever made are still on the road..... The other 2% made it home. :lol:
(I stole this from somebody on another GW site...) :roll:

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Re: 4th Alternator GL1500

Post by Bluewaterhooker0 » Sat May 26, 2018 6:29 pm

Running any electrical / electronic device at full rated output all the time is not good for the device. You may get away with it for a period of time, even an extended period of time, but it takes a toll. And, if there are any weaknesses built into the part due to manufacturing variations, they will show themselves sooner, than later. As was stated, the OEM unit could put out its rated wattage at around 2000 rpms. Dimming headlights at idle tells you its not keeping up at lower speeds. The high output units can produce full needed amps at an idle, and are not stressed doing it.

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Re: 4th Alternator GL1500

Post by hugger-4641 » Tue May 29, 2018 7:45 am

curtm wrote:
Sat May 26, 2018 5:04 pm
Well, 134000Km's and the alternator went also, Pulled it apart , brushes good, Either the stator or the rotor, i checked them according to the service manual but inconclusive , Got a 85 Amp lacteral coming, the alternator was the original on the bike, it is odd why some bikes go thru 2 or 3, peaple talk about 85 or 90 amp alternators, Humm, I did a Current check on my mine with every light ,accessory on and it only draws 32 amps, Wonder why we think we need 85 amps ? It does not hurt an alternator to run at max current draw that it was designed for with the exception if you have a heating issue, iam not sure what you could possibly have a on a bike that would draw any where near 85 amps, iam sure there will be a discussion about my post
Curt
The only way to know for sure if the rotor or stator is bad is to disassemble the alternator and test them individually. But it really doesn't matter because either way, you are better off to go ahead and install the 85amp you have comming. If you are just a tinkerer and want to figure out whats up with that OEM alternator, I have a DIY article here on "rewinding" the alternator that you might find helpful.

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Re: 4th Alternator GL1500

Post by Haley » Tue May 29, 2018 5:24 pm

Buy a good bike....Kawasaki

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Re: 4th Alternator GL1500

Post by hugger-4641 » Wed May 30, 2018 10:46 am

Yeah, go change the stator on a Kow and tell me how easy it is.

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Re: 4th Alternator GL1500

Post by Haley » Wed May 30, 2018 4:21 pm

Whoa...touched a nerve there!

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Re: 4th Alternator GL1500

Post by curtm » Wed May 30, 2018 5:18 pm

Ow that hurt, the Kawasaki comment that is, But yes i have a kawasaki also, A 900 Vulcan, Actually my wifes bike, Not quite in the same league as a goldwing, I will stick with the honda, Oh also have a 1300C VTX
Thanks
Curt
They are all great bikes, and ya know if i have to change an alternator on a bike that is 27 yrs old and 134000km's, i'am ok with that

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Re: 4th Alternator GL1500

Post by Haley » Thu May 31, 2018 5:25 am

I know they are all good machines. I just had to stir the pot cuz' my Goldwing with 38000kms just let me down with electrical issues, while my Kawasaki with 142000kms has yet to do that. Disappointing for sure. Sorry to get off topic...

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Re: 4th Alternator GL1500

Post by hugger-4641 » Thu May 31, 2018 8:48 am

Haley wrote:
Thu May 31, 2018 5:25 am
I know they are all good machines. I just had to stir the pot cuz' my Goldwing with 38000kms just let me down with electrical issues, while my Kawasaki with 142000kms has yet to do that. Disappointing for sure. Sorry to get off topic...
No, you didn't touch any nerve with me. :D I've owned a few Kawasaki, Suzuki, Yamaha, and many Honda's, and done most of my own work to all of them. They've all got their own quarks. I had an 800 Vulcan that was a good bike and I wouldn't have any reservations about buying another one, but when it comes to electrical issues, age is often more the problem than mileage. GL1500 is a lot more complex electrically than a Concourse or Vulcan, so that's definitely something to consider when you own a 20 year old bike. :)

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Re: 4th Alternator GL1500

Post by Mh434 » Thu May 31, 2018 1:55 pm

^^^That's a very good point - age is a far more important consideration in wiring, connectors, etc. than mileage. UV and oxygen degrade plastics and rubber, that's a given. The longer the exposure, the worse the degradation. I had a Porsche 944 (loved that car!!), but electrical gremlins due to connectors gradually failing from UV and oxidation became a real (read expensive) problem. Bear in mind these aren't connectors you ever take apart normally - just main harness connectors. We're not talking about deposits, either - just plain plastic breakdown.

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curtm
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Re: 4th Alternator GL1500

Post by curtm » Fri Jun 01, 2018 5:01 pm

1 thing i can say is i have owned bikes since i was 12, now 53, all these bike are good when you take care of and treat them like they are suppose to and do regular maintenance, One thing about bikes like goldwings is they are complex and have a lot of different systems, example, my 91 has Cruies, C.B, radio with cassette etc Most cars in 91 never had that many systems, So there is more maintenance that needs to be done to keep them up, I have not problem jumping on my 1500 and going for a days day cruise, and to be honest with ya, kinda enjoy wrenching on it, but not on the side of the road
Just my thoughts
Curt

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Re: 4th Alternator GL1500

Post by CrystalPistol » Fri Jun 01, 2018 7:33 pm

That sounds like a lot of alternators.

When we bought our trike in 2004, it being a 1997 GL1500SE with Lehman GTL trike kit ... it had some miles on it's CompUFire alternator. It is a Delphi or Delco Remey CS130 car alternator with a new GL compatable end housing and drive vanes. I've suffered one failure when a rotor winding broke, replaced with a new rotor about $125.00 and all is well.

One on left is OEM, on right is CompUfire.
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Re: 4th Alternator GL1500

Post by curtm » Mon Jun 04, 2018 6:36 pm

Well i installed my new Lactrell alternator today, 1st replacement after 134000 Km's, charging at 13.5-14 V , seems to be working fine
Curt



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