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  1. M

    Transistor Voltage Regulator 1970

    My wiring diagram for my 1970 Mercruiser 120 says there is a Transistor Voltage Regulator. Is that on the engine? Or will it be mounted in the builge somewhere near the wiring harness for it?
  2. M

    Need wiring harness help

    i bought a 1981 boat that was purchased new in 1981. The deal was so good, something had to be wrong. It was. The engine had water in it and block is cracked. I bought a running 1970 Mercruiser 120 and dropped it in. Everything was great. Everything bolted up and I was almost in the water. Went...
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