[DaveClifton]

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I have a 1989 GL1500 that the cruise control will not function.



At speed I press the Cruise Control On Button, the Cruise Light Lights.



I press the set button and the Set light lights.



However, once I release the pressure on the throttle, the bike slows down and the cruise control never engages.



If I pull back slightly on the levers, brake or clutch, the set light goes out. The same if I tap the foot break padel. Also the same if I turn the throttle backward to the stop. All as they should be.



Does anyone know what else I can try?



Dave

 

[108256]

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How fast are you going when you do this?
The cruise doesn't do over 75mph.
(If anyone has a hack for this... please post)

 

[rgbeard]

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ciffus wrote:

How fast are you going when you do this?
The cruise doesn't do over 75mph.
(If anyone has a hack for this... please post)

79 MPH.

 

[Bamaeagle]

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Cruise control system:
NOTE:
Cruise control is cancelled when: either brake is applied, The clutch lever is operated, or the throttle is returned.

Cruise speed memory is cancelled when: the iginition switch,engine stop, or auto cruise switch is operated.

Cruise control will not function under the following conditions: at speeds other than 30-80 mph (48-128 km/h), Or when transmission is in a gear other than 4th or OD.

Make sure fuse 11 (15A) inside fuse box is good. Replace the fuse if it is burnt and check the cruise control system again.

 

[D-Rod]

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If his lights are working ok, maybe it is a vacuum leak or bad diaphram.

 

[Bamaeagle]

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Hey Dave,



Ride safe!!

 

[DaveClifton]

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Thanks,

I have tried to set the cruise at speeds between 50 and 65.

All the fuses look and test OK.

Haven't checked the vacuum lines or the diaphram. I need to figure out where and how.

Dave

 

[grambo]

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check the n/o switch on the clutch handle...this switch needs to be open and will close and cancel c/c when you pull in the clutch

 

[DaveO430]

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With the set light working the possibilities are the vacuum line, the servo or the cable. All the electrics are obviously working.

 

[Rahim]

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It looks like you've vacuum leaks. I'd the same problem before, everythings works OK except the cruise dont kick in. I found later the vacuum line between the servo pump cracks. I replaced with a new one and now works fine. For your informations, after the repair it tooks about 30 seconds for the cruise to kick in after the cruise switch was set may be due to the vacuum in the systems. But now no more lag, the cruise works instantly after switch is set. This forum helps me alot to rectify the problem.

 

[Bike...and Dennis]

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DaveO430 wrote:

With the set light working the possibilities are the vacuum line, the servo or the cable. All the electrics are obviously working.

I agree 100%.

 

[2002gl1800h]

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You may have solved the problem already, but if not, try checking the electrical connectors near your controller on the handlebar. I had the same problem with my '02 1800 and found that one of the connectors was loose. My dad said his '87 Aspencade had cruise failure and had been like that for a long time. After I found the problem on my bike and fixed it, I check Dad's bike and found that his electrical connectors were corroded. Once replaced, he was able to ride on cruise again. Worth a shot.

 

[Lawn Enforcement]

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I AM NEW TO THIS FORUM.

BUT I HAVE HAD THE SAME ISSUES WITH MY 1996 WING 9305 MILES. YES NOOT A TYPO, IT HAS 9305 MILES ON IT. FOUND IT IN OHIO THAT HAD BEEN SITTING IN GARAGE MOST OF ITS LIFE.

AFTER LOOKING ON HERE, I LOOKED AT ALL THE SWITCHES.

CLUTCH, FRONT BRAKE, REAR BRAKE.

WHAT I FOUND IS THE REAR BRAKE MICRO SENSOR WAS NEVER ADJUSTED FROM FACTORY. I HAD TO ADJUST IT SO THAT IT WAS CLOSED WHEN THE BRAKE LEVER WAS UP.

FIXED PROBLEM.

HOPE THIS MIGHT HELP SOMEONE ELSE.

 

[Bike...and Dennis]

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Welcome to the forum L E.

 

[DaveClifton]

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I found the problem. The input vacuum line to the auto cruise control unit is broken about 8 inches from the unit. I know it goes to the one way valve but don't know where to look for the valve. Where is it located so I can replace the hose.

 

[DaveClifton]

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Well, I found the other end and was unable to get to it to replace, So I cut both of the broken ends and spliced them back together. Now Cruise is back.