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1991 Interstate stereo replacement/repair

7103 Views 13 Replies 9 Participants Last post by  goldwingman4527
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I have a 91 Interstate anniversary edition I just recently bought. The radio doesn't come on and I am in the process of some after work troubleshooting. I have the factory manual, which shows a totally different radio (mounted above gas tank.) Mine is a Kenwood factory radio mounted in the pocket to the left of the ignition. I believe the head unit or the amp may be bad. I am getting voltage to the amp (mounted under plastic cover immediately above gas tank) however there are only round multi-pin connectors from the amp to the head unit, don't know which is voltage output to head, also having trouble finding a replacement head unit. Pease help!!
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Can you post a picture of the radio?
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i've never heard about a kenwood radio on the 1500s interstates. my friend's 1500i has a factory radio mounted in the same location as aspy and SE, it just has less features (just FM, no cassete deck)
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Welcome to the forum.

That sounds likean after-market install.

You can probably find a stock unit on e-bay.

If you want extra features you can replace the existing unit with something up to date.
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Nope its stock, I have the same one on my 91. Seems they only did it for the 10th Anniversary edition Interstates. I am assuming you checked the inline fuse at the amp under the gas tank cover. I cant remember if there is a fuse at the piece under the left fairing cover or not. Do you have a display on that piece? There are a couple of connections in there too, you may want to check them as well. Other than that, not really sure where to tell you to check, aside from the power button. You can almost breathe on it and it'll shut off.

Looks similar to this one:







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If both of the fuses are good then more than likely the problem is in the power supply, located next to the amp in the photo. We have seen several with the problem described. This radio was originally made for the 1986 Helix scooter and then used on the 89 Pacific Coast. Since there were some left over Honda decided to put the rest in the 91 Interstate.
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Wow, between Bike & me, I thought we knew everything. This is new information. Thanks Wayne & Bill.

That's what I love about this forum. There isevidence here of intelligent life on earth.

Of course if you are currentlyfollowing the thread about "air" you know there is also evidence to the contrary. :cooldevil:
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Thanks guys. Checked the fuses next to the amp, found two of them blown and replaced them. Unit works great now and is very loud, no volume complaints on this one! Now i've got to find some upgraded speakers and connect my Ipod with an FM modulator. Nice to know that my stereo setup is a Honda afterthought, although it does sound great for a stock setup.
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If you get the FM modulator that has the two antenna plugs (a direct wire), it'll cut out interference from local stations. The nice thing about using that style, is the stock antenna plugs are right under the fairing pocket piece, simple to get to, etc. That's what I did. Glad you got it going.

I agree, its plenty loud to whatever mph you want to run. The downfall, is its only two channels and wont support an addition of rear speakers. I added a small two channel amp (25x2 RMS) and a set of Pioneer 4" that my B-I-L had lying around. The rear puts out just a little more volume, but it works out well.
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I have not had my radio for over two years. I was looking for a replacement radio. I did know that there was another part to the radio. I pulled both fuses and put them back in since they were not blown and the radio came back to life. I found a bunch of dust so I cleaned the contacts and put it back together. I am so happy that this information was available Thank You, Thank You, Thank You David.
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I have not had my radio for over two years. I was looking for a replacement radio. I did know that there was another part to the radio. I pulled both fuses and put them back in since they were not blown and the radio came back to life. I found a bunch of dust so I cleaned the contacts and put it back together. I am so happy that this information was available Thank You, Thank You, Thank You David.
Gentlemen, thanks so much for this post. I just picked up a 1991 Goldwing GL1500 Interstate with the same radio setup but the unit will not power up. The Seller swore to me that it worked but forgot what the previous owner had showed him because he never used the bike. I thought this was an aftermarket install too, but now I know better and will check the things as suggested. The Seller mentioned that last time it was on they had trouble turning it off and the owner did something to fix it but didn't remember what he did. This is my first Goldwing. Again thanks for the info.
Hello, I have the same radio on my Anniversary Edition and it does not power up. How do I open the center panel to the power amp. I tried but was afraid I would break the panel and I can't find any info on how to open it. Could really use some help. Thanks.
Hey all i have 93 1500i. I went out last night and while idling I thought I would play some music. Hit the power but nothing no clock or freq readout no crackling or hissing from speakers. The display is lit up in blue but thats it. I put testers on fuse in block and it shows them not blown. Is there a fuse located somewhere other than behind left side cover?. any other tests I can do thanks
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