Help needed - Steve Saunders Goldwing Forums

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post #1 of 22 (permalink) Old 06-04-2019, 04:10 AM Thread Starter
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Join Date: Jun 2019
Location: Gloucester, England
Year: 1988
Make: Honda
Model: GL1500
Posts: 16
Help needed

I joined up as my best mate has just got a 1988 GL1500 that has been "triked"
First important thing is we are in England and poor!
When he first saw it it ran, drove and reversed but when he went to collect it nothing worked BOTH dog bone fuses were blown. He still got it but cheaper.

We have aquired a new(to us) loom as a lot of connectors were burnt, wires pulled out and basically a real mess.

Is there anything we need to especially look for to get it to live again? I did find the wiring schematics on here and download them.

Me, i'm sixties, ex marine engineer plus worked for two Honda dealers in the 70's and am rebuiling(NOT RESTORING) a 500 four frame number 36 plus looking forward to getting good results on here.

Thanks for reading

Bryan
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post #2 of 22 (permalink) Old 06-04-2019, 05:54 AM
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I would guess the battery was boosted backward.

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post #3 of 22 (permalink) Old 06-04-2019, 08:24 AM Thread Starter
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Join Date: Jun 2019
Location: Gloucester, England
Year: 1988
Make: Honda
Model: GL1500
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We had that thought as well, the po did not seem to be too savy! Do you think any of the electonic boxes will have been "fried" or will we be lucky?
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post #4 of 22 (permalink) Old 06-04-2019, 10:44 AM
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Hallo Bryanlj

Welcome on this nice forum. Wish you al the best.
And good luck with your Wing.

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Greetings Wil.

It is beautiful on the road with all the Goldwings.
A Goldwing rider is a happy rider.

See my Albums to see what my nickname means, and see photo's from our holiday in Australia.
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post #5 of 22 (permalink) Old 06-04-2019, 11:14 AM
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post #6 of 22 (permalink) Old 06-04-2019, 11:57 AM
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Hello and welcome to the forum.


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post #7 of 22 (permalink) Old 06-04-2019, 12:21 PM
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Fill in your profile with your city and trike information and I'll tell you everything I know about GL1500 electronics.


Fine Print: I don't know anything about GL1500 electronics.
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post #8 of 22 (permalink) Old 06-04-2019, 06:31 PM
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Location: Denver CO
Year: 1993
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Model: GL1500 Aspencade 1980 GL1100 STD Vetter
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Quote:
Originally Posted by Bryanlj View Post
We had that thought as well, the po did not seem to be too savy! Do you think any of the electonic boxes will have been "fried" or will we be lucky?
The Alternator Diodes and the main fuses are your friend. With reverse current the diodes look like a direct short to ground (less about 1.5 volt diode drop) and this blows the main fuses. Doubtful any of the black boxes saw more than the 1.5v reverse voltage.
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1972 CL-350 (1980-1988) sold
1978 Suzuki GS-550 (1985-2005) sold
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post #9 of 22 (permalink) Old 06-04-2019, 06:41 PM
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Quote:
Originally Posted by DenverWinger View Post
The Alternator Diodes and the main fuses are your friend. With reverse current the diodes look like a direct short to ground (less about 1.5 volt diode drop) and this blows the main fuses. Doubtful any of the black boxes saw more than the 1.5v reverse voltage.

I was about to write the same thing, well said.


the new wiring loom, and fuses may well do the job....
once you have traced it all out...

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post #10 of 22 (permalink) Old 06-05-2019, 03:37 AM Thread Starter
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Join Date: Jun 2019
Location: Gloucester, England
Year: 1988
Make: Honda
Model: GL1500
Posts: 16
Quote:
Originally Posted by DBohrer View Post
The attached files might be helpful if you have ECM issues.

They are from a 1988 Honda Service Manual.

Thanks for the links and to all for the welcome and hints, hope to get some time on the bike this weekend and will report back, with questions if it dont work and beer if it does!!!
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