If you have an old bike you will have to take care of it! Original manuals with wiring diagrams are getting hard to find. There are those who sells reproductions but without the wiring diagrams. You really need that part of the manual, Here is an original manual in very good condition. The rear cover shows some wear, but the inside is great all pages intact.
Please note that my webcart shipping cost calculator does not work well for small weight items like a manual. So, if your shipping cost for a manual to the lower 48 US States is more than $9.00 please go ahead and order and I will rebate paypal for the difference.