'88 GL1500 front speakers just quit, any ideas?


Information and questions on GL1500 Goldwings (1988-2000)
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Waterfreak66
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Joined: Sun Mar 25, 2012 6:29 am
Location: Orlando, FL
Motorcycle: 88 GL1500

'88 GL1500 front speakers just quit, any ideas?

Postby Waterfreak66 » Thu Mar 29, 2012 7:14 am



Hi everyone. I recently purchased a 1988 GL1500. It has 85,000 miles on it and is in very nice shape. It does have a few bugs that I need to work out though. One is the front speakers. They were working fine and then when I hopped on this morning, no sound from the front speakers. I tried the fader and although the knob came off (and now needs to be replaced), I can still turn the dial with my fingers and it makes no difference in either the fronts coming on or the rears' volume level; i.e., the volume of the rears doesn't change as I move the dial in either direction. Everything worked yesterday and I didn't do anything to it in the interim. Any ideas?



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virgilmobile
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Re: '88 GL1500 front speakers just quit, any ideas?

Postby virgilmobile » Thu Mar 29, 2012 7:42 am

I guess more info is needed. Do the rear speakers work?? If not then......
1.Does the LCD display the radio channel.?
2. does the display show that it's in the headset mode?
3. has the mute switch button been pushed on?
4.are the backlights on?
If the rears work.
1.the fader control or it's wiring may be bad.Not too hard to get to or fix.
2.the speakers died

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Sempai
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Re: '88 GL1500 front speakers just quit, any ideas?

Postby Sempai » Thu Mar 29, 2012 12:30 pm

Also check to see that the CB (if installed) is not competing with the stereo's audio signal.
Keep the rubber side down.

Waterfreak66
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Location: Orlando, FL
Motorcycle: 88 GL1500

Re: '88 GL1500 front speakers just quit, any ideas?

Postby Waterfreak66 » Thu Mar 29, 2012 7:48 pm

virgilmobile wrote:I guess more info is needed. Do the rear speakers work?? If not then......

If the rears work.
1.the fader control or it's wiring may be bad.Not too hard to get to or fix.
2.the speakers died


The rears work fine. The dial that has the silver dial broken off is the dial labeled "Mute". This is the dial that I assumed acted as a fader to "mute" the fronts or rears depending on which direction it is turned. Wrong? It does not push in like a button and when I grabbed it with a pliers and pulled up (in case it was stuck down) it did not move. It is solidly in position. I did notice that it turns further than the limits indicated on the cover.

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robb
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Re: '88 GL1500 front speakers just quit, any ideas?

Postby robb » Thu Mar 29, 2012 9:07 pm

Did you check the mute button on the left handle to right of up/down channel switch. If it's in push to release.

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Sempai
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Re: '88 GL1500 front speakers just quit, any ideas?

Postby Sempai » Thu Mar 29, 2012 9:13 pm

Waterfreak66 wrote:The rears work fine. The dial that has the silver dial broken off is the dial labeled "Mute". This is the dial that I assumed acted as a fader to "mute" the fronts or rears depending on which direction it is turned. Wrong? It does not push in like a button and when I grabbed it with a pliers and pulled up (in case it was stuck down) it did not move. It is solidly in position. I did notice that it turns further than the limits indicated on the cover.

This Mute knob only affects the sound system when the intercom and/or CB are being used. It's purpose is to allow the user to adjust how quiet the music gets whenever a transmission is coming through the IC or CB...that is to say, when you or your passenger speaks into the mike, the music will 'mute' to whatever degree the knob is set to, so that the other person can more clearly hear what is being said by the other person, likewise, when you're on the CB the same mute effect takes place when you key the PTT button or when a transmission comes in....and this can get annoying if the CB is on and the squelch is set too low and it receives phantom signals which cause the music to 'mute' and the CB to regurgitate static.
Keep the rubber side down.

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virgilmobile
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Re: '88 GL1500 front speakers just quit, any ideas?

Postby virgilmobile » Fri Mar 30, 2012 8:28 am

..................................The rear speakers work......................
So the entire radio system is set right and working right.
There is just 2 amps for 2 speakers from the radio.
From there it is split to the front and rear through a FADER control.
The fader control on my 88 is not on the radio...its separate....it's mounted to the cover just back from the ignition key.It's on the left side of that hump.It as the same kind of knob as the radio dials.
Rotate this knob,It should direct the music between the front and rear.If it doesn't,the control or wiring may be bad.This includes the speakers themselves.

Waterfreak66
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Re: '88 GL1500 front speakers just quit, any ideas?

Postby Waterfreak66 » Fri Mar 30, 2012 9:11 am

That was it! Thank you! I have a lot to learn about this bike.

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virgilmobile
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84 GL 1200 I

Re: '88 GL1500 front speakers just quit, any ideas?

Postby virgilmobile » Fri Mar 30, 2012 9:54 am

Great.Now change the timing belts.
That will keep you occupied for a few hours and out of the kitchen. :D
When you get that done,you can flush all that old brake fluid out too.
You know,the preventive maintenance stuff.

Waterfreak66
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Location: Orlando, FL
Motorcycle: 88 GL1500

Re: '88 GL1500 front speakers just quit, any ideas?

Postby Waterfreak66 » Fri Mar 30, 2012 10:59 am

Yep. It's gonna need all that and then some. It's only getting 20-25 mpg no matter how I ride it or how high I pump up the tires. I've run a can of sea foam and two bottles of injector cleaner through it and still poor. I can smell exhaust/fuel too. The po said he just changed air and fuel filter and all plugs.

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virgilmobile
Posts: 7647
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: '88 GL1500 front speakers just quit, any ideas?

Postby virgilmobile » Fri Mar 30, 2012 11:48 am

It's possible the carbs need TLC.be prepaided for a long day if you intend to pull them.A couple things can make it run rich,the slides stuck.you can pull the air cleaner off,start the bike,and rap the throttle to see if they bounce.Another problem area is failing vacuum lines.This is a electronically controlled carb and uses many vacuum lines connected to it and the manifold.They usually fail at the sharp 90* bends.

Waterfreak66
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Location: Orlando, FL
Motorcycle: 88 GL1500

Re: '88 GL1500 front speakers just quit, any ideas?

Postby Waterfreak66 » Fri Mar 30, 2012 2:31 pm

Yeah, I'm still debating whether to find a good mechanic to clean and sync the carbs or pick up a set of gauges and try it myself. I'm used to working on stuff myself, but I've never really messed with carbs and I don't want to screw them up.

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Sempai
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Re: '88 GL1500 front speakers just quit, any ideas?

Postby Sempai » Fri Mar 30, 2012 3:45 pm

Waterfreak66 wrote:Yeah, I'm still debating whether to find a good mechanic to clean and sync the carbs or pick up a set of gauges and try it myself. I'm used to working on stuff myself, but I've never really messed with carbs and I don't want to screw them up.

On a positive note: The carbs themselves are not so utterly confusing that you won't be able to figure them out, just take good mental notes as to where this screw or that screw came from, and don't bother separating the carbs from each other. You'll spend more time pulling them out and reinstalling them than you will tearing them down, thoroughly cleaning them, and reassembling them.
Keep the rubber side down.

Waterfreak66
Posts: 18
Joined: Sun Mar 25, 2012 6:29 am
Location: Orlando, FL
Motorcycle: 88 GL1500

Re: '88 GL1500 front speakers just quit, any ideas?

Postby Waterfreak66 » Sat Mar 31, 2012 8:31 am

Is there good instructions on the web on what to do to actually pull apart and clean the carbs?




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