need wirig for speakers

canman

Petty Officer 1st Class
Joined
Sep 11, 2006
Messages
247
hi everyone , we have a 1989 thundercraft 220 magnum , the radio that was in the boat did not work anymore , my brother in law took the old radio out for me , the problem is he did not mark the coloured wires for the four speakers . does anybody out there have a wiring diagram for all the wires under the dash ? thanks ..
 
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