Cruise Control problems


Information and questions on GL1500 Goldwings (1988-2000)
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Sidcar
Posts: 585
Joined: Thu Jul 05, 2012 3:07 pm
Location: Birmingham, England, United Kingdom
Motorcycle: 1995 GL1500 SE (20th Anniversary) and Squire RX4 sidecar

Cruise Control problems

Post by Sidcar » Fri Nov 10, 2017 10:06 am



The cruise control didn't work when I bought this bike, the warning light bulbs are good the system switches on but will not set. Having had to dismantle the right side of the fairing in the fitting of a new r/h handlebar switch I thought it would be a good time to fix the cruise control, looking at the bike now I wish I hadn't bothered.
Having checked the the readings at the control unit plug I have found two faults so far
Rear brake cancel switch open circuit. removed, cleaned and adjusted so now works fine.
Throttle cancel switch open circuit. The Honda workshop manual I have is dated 1988 and, although the wiring and connector plug colours are the same, it shows theTCS to be a micro switch fitted under the carbs where as mine is a unit in the return throttle cable mounted on the side of the frame. Does anyone know if this tests out the same or how to repair if necessary?
I've got the side plate off the unit and there appears to be two sets of contact inside. I'm trying to get it of the bike at the moment.
Sid
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Erdeniz Umman
Posts: 477
Joined: Tue Oct 27, 2015 12:33 am
Location: Ankara Turkey
Motorcycle: 2000 GL1500SE

Re: Cruise Control problems

Post by Erdeniz Umman » Fri Nov 10, 2017 10:41 am

I don't remember a switch under the carb. As far as I know, the only throttle cancel switch is the one in the picture.

Actually, you can bypass the throttle cancel switch by jumping two pins in its connector, and continue troubleshooting.

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Sidcar
Posts: 585
Joined: Thu Jul 05, 2012 3:07 pm
Location: Birmingham, England, United Kingdom
Motorcycle: 1995 GL1500 SE (20th Anniversary) and Squire RX4 sidecar

Re: Cruise Control problems

Post by Sidcar » Tue Nov 14, 2017 4:44 pm

The throttle cancel switch was faulty. Honda said do not to take it apart replace it, but as I'd just paid an eye watering sum to Honda for a new handlebar switch I stripped, cleaned and rebuilt it. It now works fine, I can't see why Honda insist on replacement. I tried the bike out this afternoon and the cruise control now works, on ordinary roads anyway. I'll be trying it out on the motorway in the next few days.

Sid

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welmack
Posts: 36
Joined: Thu Jul 14, 2016 7:55 pm
Location: Amarillo, Texas, US
Motorcycle: 1998 Goldwing GL1500SE
Gone but not forgotten:
1953 Cushman
1963 Harley 74
1962 Harley 74
1984 Suzuki Madura
1984 GL1200
1988 GL1500
2005 GL1800 CSC Trike
2013 Harley Sportster XL883L
Loved them all at the time but I prefer the 1500's.

Re: Cruise Control problems

Post by welmack » Tue Nov 14, 2017 5:24 pm

Good job on cleaning the cancellation control. I hate to trash a dealer but they don't usually clean or repair things, they just replace things. By telling you not to clean it they stood to sell a new part and possibly do the labor. In working around American shops I quickly learned that R&R meant remove and replace. Too much time would be spent repairing parts. If it could be replaced then that was the standing order. It was amazing how many repairable parts went out the doors for the tech's benefit, either for sale or use. Don't blame the tech's, it was caused by the shops hunger for quick repairs. This is not true for all shops as some of the small shops still actually "repair" things. Congrats on beating the system.



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