Try Partzilla.com. Looks like they still have a lot of parts.
Russell

Those who say it cannot be done should try not to interrupt those who are doing it.

I took a 2" piece of 1/4 inch fuel hose and shoved it through the hole where the connector was locked in, and, after soldering the wires and heat shrink, I pushed the three wires through the hose and they cannot move. Plus, they are right where they were originally. Russell Those who say it cannot b...

Short answer, NO. But you can add an input cable and run it over to the fairing pocket. The only one that had an aux input was the one without the cassette player. These had only four knobs on them and an aux input cable that extended to the left fairing pocket. If you want to add the aux cable you ...

Usually occurs because of negative tongue weight. Load your gear a little more toward the front of the trailer. You should probably have at least 20lbs of tongue weight at the coupler.
Russell

Those who say it cannot be done should try not to interrupt those who are doing it.

First off, are you sure that you have power and ground to the pump? It doesn't matter what pump you are using if you have no power to run it. I had a similar problem with my 92 and found that many years of vibration at the handlebar had caused the connections under the kill switch to become loose an...

You may need to clean your turn signal switch. It could be too dirty to make a connection. If it is a basket case, as you say, it could be very possible.
Russell

Those who say it cannot be done should try not to interrupt those who are doing it.

I'm not sure but, Partzilla has the 93 GL1500A exhaust as 18150 MAM 003 and the 89 GL1500A as 18250 MAM 003.
Not sure what the difference would be but, maybe someone else will chime in with a better answer.
Russell

Those who say it cannot be done should try not to interrupt those who are doing it.

Check your three yellow wires at the connector to the left of the battery. In fact this is one of Honda's bad ideas. If they had used a sealed connector there, it would not collect dust and dirt and then moisture. The moisture in that vertical plug causes corrosion and then resistance and then heat ...

Depends on which model you have. The Interstate has the clock in the radio face so I think it may have a common power point. But, the Aspencade and SE both have the clock in the instrument panel which would have a separate power point although, they could be powered from the same relay or fuse. Russ...

Toe warmer gets hot air from the header pipes to help warm your toes when it gets really cold out. Adjust, open/close with the knob on the right side of the dash (opposite of the headlight adjuster). Only on SE model. Russell Those who say it cannot be done should try not to interrupt those who are ...

Pretty good since this is only 04/2019.

Try checking all your ground connections, and wires for breaks. Sounds like a bad ground where the batt+ will seek ground through the second filament. If you have added any new accessories try checking the wiring around your new accessory as you may have broken or loosened a wire to your headlights....

But, that won't help if you're not getting power to the pump. Check your kill switch. Many miles and years of vibration at the handlebar can cause the power connections under that switch to be loosened. I had the same trouble on the road and had to be towed home. It took several days for me to narro...

If you have power on the same connectors on both bikes and neither headlight works on one bike then the only thing it can be is a bad ground. Check the ground points on the frame and behind the fairing and you should find a bad connection on the green (ground) wire. It could possibly be a broken wir...

Sounds like the float valves are stuck closed. If it has not been sitting to long, try putting some Seafoam in the fuel inlet hose and after a day of soaking, rap on the carbs with a plastic handled screwdriver or some other item that won't damage the carbs. This may unstick the valves and allow fue...

That is your idle adjustment knob. You can turn it to raise/lower your idle RPM. You may have to force some lubricant down into it as they have a tendency to freeze up.
Russell

Those who say it cannot be done should try not to interrupt those who are doing it.

Maybe you misunderstood what they said and they wanted you to check back with them in an hour and your bike has been sitting there ready to go for five hours. Just my $0.02 worth. Don't ask how I know, but, I always like to do my own maintenance anyway. I don't know the quality of your work but, I d...

If you wonder about your 'Tip Over Sensor' called Bank Angle Sensor, you can have your local Honda dealer run your VIN to see if it has ever been changed. There is a recall on '88 to '93 models and if it hasn't been changed they will order a new one for you and replace it at no charge (FREE). The re...

And Honda always placed the 'SE' , 'Aspencade', or 'Interstate' emblem on the left saddlebag at the same height as the 'Honda' emblem on the right. That 'Special Edition' emblem is quite lower than the 'Honda' emblem, which makes me think an ADD ON. Russell Those who say it cannot be done should try...

Try removing the kill switch (two screws underneath) and check the two electrical connections for the kill switch. Years of vibration can sometimes cause these connections (screws) to become loose and then you have no spark or fuel pump. Russell Those who say it cannot be done should try not to inte...

Check the terminals under the kill switch. Years and miles of vibration can cause these connections to loosen and then you don't have power to the fuel pump or ignition. I had that problem on my 92 Interstate and if I had known about that I would not have had to be towed home. Russell Those who say ...

Find someone with a 3D printer to scan one in and print a copy for you. That seems to be the thing now-a-days.
Russell

Those who say it cannot be done should try not to interrupt those who are doing it.

If you don't mind modifying the trailer, try installing a power roof vent to exhaust the air near the front. Then install intake vents in the rear walls and build sealed filter boxes over the intake vents. That will allow the air in and keep the dirt out. Then go to Harbor Freight and purchase a 15 ...

Keep watching ebay and other auction sites. Be patient. Those covers won't stop you from enjoying the ride so, don't get in a hurry. They will show up, just when you are about to give up looking. And for the right color and for a decent price. It took me a year to find a left side inner fairing in c...

It would be interesting to try it. If it bolts up correctly, it may work, as the later model would ground through the housing and simply not use the negative cable. I'd be apt to trying it. Let us know if you decide to try it. Russell Those who say it cannot be done should try not to interrupt those...