Reverse help and service manual


Information and questions on GL1500 Goldwings (1988-2000)
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jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Reverse help and service manual

Postby jtswenson » Tue Nov 11, 2014 6:37 pm



Hi,

I'm working on a 1998 GL1500. Reverse is not working. I've removed almost all of the plastics and have gone through most of what I could find online. I appear to be having a different problem than most, however. When I move the lever the neutral light will go out, I hear the click of the relay, but the R light does not light up. I've tested most switches etc. that I can find.

Does anyone have any help?

Also, I'm trying to find a PDF service manual for the same bike. Any help would be swell! Thanks!

J



brw
Posts: 18
Joined: Thu Oct 23, 2014 11:37 pm
Location: Portland, Oregon
Motorcycle: 1988 gl1500
1982 gl1100 standard

Re: Reverse help and service manual

Postby brw » Tue Nov 11, 2014 6:46 pm

hello and welcome.
I just went thru getting my reverse to work. had the same symptoms, finally turned out to be the reverse module under the trunk at the rear of the bike. also had a weakly connected wire at the large connector under the seat. hope this helps.
brad

jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Tue Nov 11, 2014 7:09 pm

Thanks for the reply. Did you just replace the module and hope? Was there a way to test it? Is this the box on the left side of the bike? I had them both off today to check the connectors. Everything looked good there.

brw
Posts: 18
Joined: Thu Oct 23, 2014 11:37 pm
Location: Portland, Oregon
Motorcycle: 1988 gl1500
1982 gl1100 standard

Re: Reverse help and service manual

Postby brw » Tue Nov 11, 2014 7:40 pm

hi
after doing some wire tracing back and finding fuses I found the wire that was poorly connected in the large plug, been a while so I don't remember what color it was. fixed and still didn't work but finally had power back to the module. still didn't work so I replaced the module. worked after that. The module on my 88 is located under the trunk right beside the cruise control module. Trunk has to be removed or at least lifted to get access. Are available on e-bay.

jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Tue Nov 11, 2014 7:51 pm

I have removed the trunk already. There are two modules back there attached to the fender. They look very similar. I wonder if they're the same from 88 to 98.

brw
Posts: 18
Joined: Thu Oct 23, 2014 11:37 pm
Location: Portland, Oregon
Motorcycle: 1988 gl1500
1982 gl1100 standard

Re: Reverse help and service manual

Postby brw » Tue Nov 11, 2014 8:04 pm

look on the tags and they will have them labeled.
One should have RVS in the lettering and that the one. the other is cruise control.
Don't take this as gospel but I think 90 and up are the same.
hope it helps.
brad

jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Tue Nov 11, 2014 8:24 pm

it's at my shop otherwise I'd take pics. The left side one had a white tag that said control module or something similar. The right side one had a yellow tag that had nothing legible written on it....that I could find

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Bluewaterhooker0
Posts: 554
Joined: Wed Nov 14, 2012 11:27 pm
Location: Tampa, Fl
Motorcycle: 1997 Goldwing GL 1500 SE

Re: Reverse help and service manual

Postby Bluewaterhooker0 » Tue Nov 11, 2014 10:47 pm

Here is a link to a 1994 service manual. It downloads VERY slowly, because it is a large file (34MB), and I suspect the server is also slow. But give it time. I just pulled up some of it. It should be very similar to the 1999.

http://www.goldwingworld.com/pdffiles/H ... -6051B.pdf

Also, here is an electrical manual for a 1993. Again, should be similar. It loads faster (14MB), but slow.

http://www.goldwingworld.com/pdffiles/H ... -6051B.pdf

jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Tue Nov 11, 2014 11:43 pm

thanks a bunch for the links to the manuals. I'm hoping i don't spend days troubleshooting!

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RBGERSON
Posts: 2612
Joined: Tue Mar 09, 2010 7:57 am
Location: SCOTTSDALE, AZ
Motorcycle: 98 SE GL 1500
had every year from 75 to 83

Re: Reverse help and service manual

Postby RBGERSON » Wed Nov 12, 2014 7:40 am

Does the bulb light up on start-up??
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

jtswenson
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Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Wed Nov 12, 2014 11:03 am

Yes, the bulb lights up on startup. The mechanical portion engages too as I've tried moving the rear tire while in reverse.

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WingAdmin
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Re: Reverse help and service manual

Postby WingAdmin » Wed Nov 12, 2014 12:16 pm

This could be any of a hundred things - which is why the diagnostic tree in the service manual is so huge for the reverse system. I had this happen on my bike and it turned out to be the reverse cables were slightly out of adjustment. If it's not exactly right, it won't trigger the switch that engages reverse and lights up your light.

jtswenson
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Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Wed Nov 12, 2014 12:18 pm

Just got done testing the reverse control unit plug. There are 14 terminals, each wire with a corresponding action as stated in the manual. Everything passed as it was supposed to. Does this mean that the reverse control unit is the culprit? That's my assumption at least.

jtswenson
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Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Wed Nov 12, 2014 12:25 pm

also, reverse diodes tested proper

jtswenson
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Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Wed Nov 12, 2014 12:27 pm

WingAdmin wrote:This could be any of a hundred things - which is why the diagnostic tree in the service manual is so huge for the reverse system. I had this happen on my bike and it turned out to be the reverse cables were slightly out of adjustment. If it's not exactly right, it won't trigger the switch that engages reverse and lights up your light.


Interesting. I did adjust the cables to what I thought were correct specs. Isn't the light triggered by the switch near the lever? That switch seems to be working and triggers a relay under the seat.

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WingAdmin
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Re: Reverse help and service manual

Postby WingAdmin » Wed Nov 12, 2014 12:46 pm

jtswenson wrote:
WingAdmin wrote:This could be any of a hundred things - which is why the diagnostic tree in the service manual is so huge for the reverse system. I had this happen on my bike and it turned out to be the reverse cables were slightly out of adjustment. If it's not exactly right, it won't trigger the switch that engages reverse and lights up your light.


Interesting. I did adjust the cables to what I thought were correct specs. Isn't the light triggered by the switch near the lever? That switch seems to be working and triggers a relay under the seat.


There are two switches. The reverse lever switch is the one next to the lever, that is triggered by the cam on the lever:

Reverse Lever Switch
Reverse Lever Switch


There is also a reverse switch on the right side of the engine, that is triggered by the correct movement of the internal parts that engage the reverse:

Reverse Switch
Reverse Switch


Both switches must be triggered in order to engage reverse.

jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Wed Nov 12, 2014 12:48 pm

Great tips. I think I've tested both, but how do you test the internal one?

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WingAdmin
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Re: Reverse help and service manual

Postby WingAdmin » Wed Nov 12, 2014 2:00 pm

jtswenson wrote:Great tips. I think I've tested both, but how do you test the internal one?


You test it from the outside. It should be shorted to ground when the bike is not in reverse, and should be open (not shorted to ground) when in reverse.

jtswenson
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Re: Reverse help and service manual

Postby jtswenson » Wed Nov 12, 2014 2:28 pm

Yeah, that tests properly. Would you guys agree that it points to my reverse control unit as the culprit?

jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
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Re: Reverse help and service manual

Postby jtswenson » Wed Nov 12, 2014 8:49 pm

HELP!!!! I'm so disgusted by this thing. Why does it seem like I'm the only one who's ever had this type of issue? I'm no electrical genius and I'm not the greatest at reading a schematic.

Do you guys think that if all my reverse control unit tests check properly, that the unit itself is faulty?

brw
Posts: 18
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Location: Portland, Oregon
Motorcycle: 1988 gl1500
1982 gl1100 standard

Re: Reverse help and service manual

Postby brw » Wed Nov 12, 2014 9:01 pm

hello
I would say if tests check all ok and you can get a module fairly reasonable enough I would give it a go.
module fixed mine. good luck.
brad

jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Wed Nov 12, 2014 10:24 pm

That's reasonable enough advice for me to go that route. Thanks. I'll give that a shot. In the mean time, if anybody else has any ideas I'm all ears.

jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Tue Nov 25, 2014 2:34 pm

Well,

I replaced the reverse control unit and that didn't solve my problem. Any other ideas of what it could be? I'm so sick of this thing!

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Bluewaterhooker0
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Re: Reverse help and service manual

Postby Bluewaterhooker0 » Thu Nov 27, 2014 11:18 pm

I haven't looked at any of the schematics, nor have I had to work on my own. However, I wanted to suggest a possibility that occurred to me a minute ago while reading. I came across a similar problem in my line of work 2 days ago. I work on air conditioners, and have had boats forever. I assume that most of the testing you have done relates to checking components, one by one, and looking for voltage as specified by the manual. The problem I have come across numerous times before, in my line of work and with boats, regards a circuit (relay, wiring, terminal, etc.) that will transmit a 12 or 24V signal to a VOM, but not actually carry current when loaded. I.E. you get a volt reading that indicates a good circuit on your meter when the individual part is tested, but the same circuit when connected to a load (motor, relay, etc.) cannot carry any current. This is usually due to a weak connection, dirty or burned contacts, or corrosion. I have seen copper wire that is completely corroded to the point of nothing but copper oxide, that will transmit a volt reading to a meter, but cannot possibly carry any current. These problems can drive you batty. I had one fool me just 2 days ago. I thought it was the wiring and approached the problem as such, and it wound up being the thermostat itself. Bad/weak contacts in the micro relay on the circuit board. The only way to diagnose your problem would be to begin at the starter motor, providing an adequate voltage and amperage supply to the starter, and see if it will work when provided with a known good voltage source. Then, if so, work your way back through the circuit until you find the bad or weak link in the chain. This would at least let you isolate the bad area, and you can then concentrate on the problem area. It just seems that if all tests good via volt readings, then you have a problem with a lack of current transmission. Hope that helps.

jtswenson
Posts: 27
Joined: Tue Nov 11, 2014 6:32 pm
Location: Minneapolis, Minnesota
Motorcycle: 1998 GL1500

Re: Reverse help and service manual

Postby jtswenson » Mon Dec 01, 2014 10:15 am

thanks for taking the time to write all that. i completely understand what you're saying...although i hope that is not the case. I do not plan to completely open up the wiring harness. i think i'll try checking all the joints and contacts again, but after that I'm completely stuck. i don't know what else i would try. thanks again!




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