I have no cable for my Roland E-86. Witch one sould i buy??? tank you.

I think the jack cable is not good try to buy a new one and see if it makes the same noise

there are spraycans of cleaner that u can buy to cure it. sounds like dirty pots like maybe your volume pot on your amp or the pots on the instruments your playing. get the cleaner ,spray in the pots and move them back and forth and thats it. my marshall amp was doing the same and that was my cure. i dont remember the name of it but phone long and mcquade or another store and ask. hope that helps ya.

Best to contact Roland directly. Here are the links-
Roland Company Contact Us
Support Roland

You need to replace the battery. It will most likely be a coin sized battery in a slip in holder on the main board. If you need help, here is ROland Customer Service contact info-
Support Roland
After that, you can reset the E96 back to the factory settings by following the directions here-
Roland 96 Initializing the 70 86 96 Restoring the Factory Settings...

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It looks like the cable terminates into a 1/4" stereo or 3 wire plug.

Best: I recommend going to Radio shack or an audio store and buying a 1/4" stereo plug/ with cable that has one end loose and attaching the loose end to your foot pedal. I do not know why it is stereo unless there are 2 pedals but if so ,you will need to determine which wire works on which pedal so leave pedal cover loose until you test it. I have replaced these before.
OK method: The cable can be spliced using solder and heat shrink to isolate the wires. Use probably 1//8 to 3/16" shrink for the wires and 1/4" to 3/8" shrink over the whole job. Keep each wire separate by color type.If the wire is too hard to twist it may be a special type that can be connected using terminal strips(radio shack has them) or use wire nuts and tape them.

More than likely you would have to contact the manufacture [Roland} for a replacement part. You can also search ebay.com for the product in question, maybe you'll find something inexpensive that you can use for parts.

If you have the version 1 cable you need to download a driver. The details are at this link:http://www.cme-pro.com/en/news-detail.php?news_id=105

Good grief! FInd a tech that knows what he is doing. You can replace the plug and/or the jack. Each is a few dollars at most. You can even do it yourself. If you can see where wires went just buy new parts. They are probably available even at Radio Shack.

diplodocs.com has a download for that manual