I made up a wiring diagram for the 1988 Ragazza 25 with Merc engine. Will fax a copy to anyone interested. The original multi page wiring harness pages were hard to follow. Apparently done with a focus on manufacturing, not trouble shooting. Have the full Donzi wiring harness set around someplace.
A common source of wiring problems was the use of Molex connectors not suitable to marine environments. Recently had to by pass the 15 pin Molex hull harness connector under dash for 30 amp Stero/Acc circuit.
Also have original Donzi literature and 1988 magazine articles on it.
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