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Discussion Starter #1
Got the 1988 1500 trike project all wired and running then went to start it again and no go, after much testing worked out that relay B was not working so connected both the grounds together and it fired up nicely.
Next morning press starter and only way to stop starter turning was disconnect battery lead, was still turning over(but not starting) with button released and ignition turned off. Only thing i can think of is solenoid A sticking closed but can anybody know of or can think of anything else that would cause this?

Cheers

Bryan
 

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The starter relay A was stuck in the closed position....!!! You are not the first one to have this issue......!!

Yep....The relay B provides a ground for the starter motor (unlike the 1993 and later years)....!!

You could have pulled a 5-amp fuse..........!!!!!!!!!

That relay B for (1988 - 1989) is no longer available from Honda.....!!

You had a good strong battery.....right.....??

You probably need a relay A and B.....!
 

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Got the 1988 1500 trike project all wired and running then went to start it again and no go, after much testing worked out that relay B was not working so connected both the grounds together and it fired up nicely.
Next morning press starter and only way to stop starter turning was disconnect battery lead, was still turning over(but not starting) with button released and ignition turned off. Only thing i can think of is solenoid A sticking closed but can anybody know of or can think of anything else that would cause this?

Cheers

Bryan
You and Dave got it handled. The solenoid is by far the most common issue.

Retrofitting a car solenoid is not hard to do.

Beware there are 2 different types of solenoids.

Grounded base uses one wire to the coil while insulated base needs a hot and ground to work.

Weak batteries wreck solenoids as Dave mentioned..

EDITED for spelling errors in underlined words.
spaced out for better ease of reading/comprehension to future readers.
 

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Starter relay A is available for your 1988. You can use the later year starter relay B on your 1988.

I could explain why the part numbers are different but that's not necessary,
 

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Discussion Starter #5
Dave, which 5 amp fuse can you pull? If its stuck in the on position removing opperating coil power dont work or turning key off would as well.
The B solenoid i think you can replace with one from an sohc 4, just wont have the mounting bracket!
Thanks for your help, i will confirm fault(s) after working on it next weekend
Thanks
Bryan
 

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Bryan,

The relay A when activated (or if stuck close) provides power through a 5-amp "in-line fuse B" to activate "trigger' the relay B. Then relay B provides a ground to the starter motor (starter runs).

If you pull the 5-amp fuse, relay B does not get activated "triggered' and the starter motor does not get grounded, and the starter does not run.

Does this explain (or answer) your question....??:grin3:

But maybe you know more than I do about the starting circuit......!!:wink2:

Only trying to help you.....!!!!
 

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Discussion Starter #7
Dont know as much as you about these particular bikes but regularly end up sorting out bike electrics for people as i find it relatively easy as long as you are methodical.
Will need to study the diagram more as i hadnt noticed the fuse in circuit.
Can you help out with location to save me some time?
I really appreciate the help mate
Bryan
 

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Dont know as much as you about these particular bikes but regularly end up sorting out bike electrics for people as i find it relatively easy as long as you are methodical.
Will need to study the diagram more as i hadnt noticed the fuse in circuit.
Can you help out with location to save me some time?
I really appreciate the help mate
Bryan
If you jumped past the B relay as you said in your earlier post the fuse will not work (to cut out runaway starter) until the relay B is back in the circuit. When a relay like relay A sticks you can usually get it working again by hitting it with something like a screwdriver handle. It might only be a temporary fix though. As for the location of the fuse I'm sure Dave can help you or you can follow the small wire that comes off the big stud on relay a. That small wire will go to the coil of relay B and will have the 5 amp fuse inline. If that fuse blows there would be no power to the coil of relay B and might have been your original problem with B.
 

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That fuse is in a rubber pouch to the left of the battery along the frame rail.

There are two 5-amp fuses there, one for starting and one for reverse. Check both.

Like Mike mentioned, if that fuse was blown, the relay B would not get activated "triggered".

That could cause one to possibly think the relay B was bad.

BTW....It is very very rare for an issue with the relay B. I actually haven't known of a relay B failure.

Maybe yours could be the first......!!

I have been involved with GL1500's since 1993 and still learning more all the time.

Note: My information provided in post # 6 was how the starting circuit "normally" works (as Mike clarified).
 

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Discussion Starter #10
Thanks Dave, will look at the fuse and see.
Strange if that blew and relay A went bad at same time but with the amount of "modifications" to get this trike to start, run, reverse and light up anything is possible, even have a headlamp off switch and a headlamp flash button now!
Can you tell me if the two largish lights at the lower corners of the front fairing are supposed to be "running" lights r spotlights mate
Thanks again
Bryan
 

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Thanks Dave, will look at the fuse and see.
Strange if that blew and relay A went bad at same time but with the amount of "modifications" to get this trike to start, run, reverse and light up anything is possible, even have a headlamp off switch and a headlamp flash button now!
Can you tell me if the two largish lights at the lower corners of the front fairing are supposed to be "running" lights r spotlights mate
Thanks again
Bryan
The 1988 did not have any lights in those lower panels. However, some folks did add lights there and they could have been wired as "cornering" lights activated by the turn signal switch OR wired to be on all the time. Maybe even controlled with an on/off switch.

I have several documents on my computer that pertain to various circuits (ignition, starting, ignition switch, 55-amp fuse, relay # 3, etc.) on the 1988 Gold Wing.

I also have the Honda service manual for the 1988.

Also have the "brochures" for all the years of the GL1500's. Explains the standard and optional equipment based on the model of the bike.
 

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Discussion Starter #12
Thanks Dave, we think this bike was "triked" after an accident so not 100% sure of the exact year of anything!
I have the UK Honda dealer workshop manaul which is supplied in a 4 ring binder and known heer as "Blue Book" manual for the original 1500 and 2 supplements for later model, i think the J, K and N models but would have to check to be certain. Also i have aquired the US electrical manual which is close enough to help but i find your knowledge better and easier to follow. If you would like some of the pages scanned and sent to you, complete manual is HUGE so cant do it all, pm your email and requests and i will do it over time.
Thanks again
Bryan
 

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Thanks Dave, we think this bike was "triked" after an accident so not 100% sure of the exact year of anything!
I have the UK Honda dealer workshop manaul which is supplied in a 4 ring binder and known heer as "Blue Book" manual for the original 1500 and 2 supplements for later model, i think the J, K and N models but would have to check to be certain. Also i have aquired the US electrical manual which is close enough to help but i find your knowledge better and easier to follow. If you would like some of the pages scanned and sent to you, complete manual is HUGE so cant do it all, pm your email and requests and i will do it over time.
Thanks again
Bryan

Bryan, Check the relay box. This might help to narrow down the year of your bike.

The 1988 Gold Wing has eleven (11) fuses. (No fuses in the relay box)

The 1989 – 1992 Gold Wing's have twelve (12) fuses. (Fuse # 12 is in the relay box)

The 1993 - 2000 Gold Wing has thirteen (13) fuses. (Fuse # 12 and # 13 is in the relay box)


I have the Honda service manual (including electrical troubleshooting) for the 1988, 1996 and 1999 Gold Wing's.

I don't need any more manuals (pages) but thanks for the offer.


Check the eighth number in the VIN to see the year of your Trike.

SC22 Honda GL1500 Goldwing J 1988
SC22 Honda GL1500 Goldwing K 1989
SC22 Honda GL1500 Goldwing L 1990
SC22 Honda GL1500 SE Goldwing M 1991
SC22 Honda GL1500 SE Goldwing N 1992
SC22 Honda GL1500 SE Goldwing P 1993
SC22 Honda GL1500 SE Goldwing R 1994
SC22 GL1500SE S 1995
SC22 GL1500SE T 1996
SC22 GL1500SE V 1997
SC22 GL1500SE W 1998
SC22 GL1500SE X 1999
 

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Discussion Starter #14
Thanks for the info Dave, had an hour spare today whilst the owner took his "poppy bike" (Suzuki GZ125) for an anual inspection.
After testing relay B loom ground wire(green red) was OK ( grounded not in reverse no ground in reverse) at loom connector, both 5 amp fuses OK but relay not working using down and dirty test of connecting black wire into loom direct to batt pos found a bad connection at the green red connector of solenoid black connector redid that and relay B works OK powering with black.
Not trying start till new relay A arrives as if that is sticking dont want to wreck starter.
Will advise after solenoid arrived.
Pic of "poppy bike" attached. We raise money for the Royal British Legion
 

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Thanks for the info Dave, had an hour spare today whilst the owner took his "poppy bike" (Suzuki GZ125) for an anual inspection.
After testing relay B loom ground wire(green red) was OK ( grounded not in reverse no ground in reverse) at loom connector, both 5 amp fuses OK but relay not working using down and dirty test of connecting black wire into loom direct to batt pos found a bad connection at the green red connector of solenoid black connector redid that and relay B works OK powering with black.
Not trying start till new relay A arrives as if that is sticking dont want to wreck starter.
Will advise after solenoid arrived.
Pic of "poppy bike" attached. We raise money for the Royal British Legion
Ah.....I really didn't think the relay B was bad. I haven't found a bad one yet.

I see you found those 5-amp fuses....!!:grin3:

Did you check the vin number for the year of the Trike........??

Nice "Poppy" bike.
 

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That fuse is in a rubber pouch to the left of the battery along the frame rail.

There are two 5-amp fuses there, one for starting and one for reverse. Check both...

Clarification: "Left" meaning as you look at the battery (eg Towards the rear of the bike)


This fuse pair can be hard to find !
 

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Thanks for the info Dave, had an hour spare today whilst the owner took his "poppy bike" (Suzuki GZ125) for an anual inspection.
After testing relay B loom ground wire(green red) was OK ( grounded not in reverse no ground in reverse) at loom connector, both 5 amp fuses OK but relay not working using down and dirty test of connecting black wire into loom direct to batt pos found a bad connection at the green red connector of solenoid black connector redid that and relay B works OK powering with black.
Not trying start till new relay A arrives as if that is sticking dont want to wreck starter.
Will advise after solenoid arrived.
Pic of "poppy bike" attached. We raise money for the Royal British Legion
A starter stuck in the on position does not hurt near as much as a car.. The bike has a sprague type overrunning clutch instead of a starter drive. It would be like letting the starter run on a long bench test. Not that I would do it on purpose.
We kind of skimmed over the weak battery but be sure the battery is strong to avoid the same situation. Battery voltage should hold above 10 volts while cranking seems to be the conventional wisdom.
 

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Discussion Starter #18
Dave, bike is not where i am so will have to wait for me to get there to check vin but will post when got it. The B relay was exceptionally rusty and definately bad(UK uses a LOT of road salt when cold) Glad you like the small bike, the paintwork on rear end of trike is equaly impressive, again will post when got pics and time.
Battery is AGM and holding good voltage but as we are both mechanics, me ex due to bad dermatitis and Lez(the owner) recovery we tend to attach a battery pack, connected properly, unlike PO, if we are doing a lot of lights testing or stop start.
All your help on this forum has been invaluable and much appreciated.
Cheers
Bryan
 

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Check the eighth number in the VIN to see the year of your Trike.

SC22 Honda GL1500 Goldwing J 1988
SC22 Honda GL1500 Goldwing K 1989
SC22 Honda GL1500 Goldwing L 1990
SC22 Honda GL1500 SE Goldwing M 1991
SC22 Honda GL1500 SE Goldwing N 1992
SC22 Honda GL1500 SE Goldwing P 1993
SC22 Honda GL1500 SE Goldwing R 1994
SC22 GL1500SE S 1995
SC22 GL1500SE T 1996
SC22 GL1500SE V 1997
SC22 GL1500SE W 1998
SC22 GL1500SE X 1999

Dave, If you are counting from left to right, the 10th VIN digit is the one for the year. If counting from right to left, then the 8th digit would be for the year. It is the same digit either way, you are just starting the count from the opposite end.
 

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Dave, If you are counting from left to right, the 10th VIN digit is the one for the year. If counting from right to left, then the 8th digit would be for the year. It is the same digit either way, you are just starting the count from the opposite end.
Larry, You are correct. Did I do it Bass Ackward....?? I had an "L" and an "X"....!!

Did you know the 1990 GL1500 engine was rated at 95.8 hp....?? Per the Certificate of Origin from Honda...!

BTW, My first Gold Wing was a 1977 Blue. I liked the 1975 - 1977 years best rather than the "three" gauges on the top of the 1978 - 1979 years. Also liked the "spoke" wheels on the 1975 - 1977...!

It was stock when purchased, I add a Lee's Starr Fairing, Bates Luggage Rack, Trunk, Saddlebags and Wrap Around Rails. Toured quite a lot with it.
 
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