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    1980 OMC 140hp electrical

    I tested the ignition switch. Gives power to the starter but nothing when in the run position. Jumping between power and run on the switch gives power to the coil.
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    1980 OMC 140hp electrical

    Ok. After looking closely at the wiring diagram, I realize the power comes from the ignition switch to power up the field and the coil. I had power coming into the switch but nothing at the coil. I put a jumper wire between battery pos on the switch and the run terminal. My meter was attached to...
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    1980 OMC 140hp electrical

    I’m not sure if the resistor wire is bad. I do not have power coming from the alternator to the regulator. Does the engine need to be running to have power where the yellow wire attaches to the alternator?
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    1980 OMC 140hp electrical

    getting away from the resistor wire for a bit. I put my volt meter between battery neg and the terminal on the alternator that feeds the voltage regulator. Key off, no power. Should it have power to the regulator with the key on? Either way I have none. I then pulled the pos terminal off the...
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    1980 OMC 140hp electrical

    I don’t have electric choke. From what I have found searching around, the resistor wire is fed from 12v switched power off the alternator and then spliced to the resistor wire. Would it be possible just to bypass the resistor wire and run a 1.5 ohm ballast resistor?
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    1980 OMC 140hp electrical

    I’ve been slowly getting my 1980 Starcraft 18’ in working order. Figured out the tilt/ trim issues but now I’m having ignition issues. The engine fire while cranking but won’t keep running. If I run a jumper wire from bat.+ to the + coil terminal it fires right up. I also noticed while doing...
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    1980 Holiday 181

    My plan now is to install the new trailer lighting, replace the 2 rivets and then bring it down to the launch, back it into to lake but leave it on the trailer and run it up to full temperature. I’ll also use that opportunity to see if the bellows has any leaks. If everything works out...
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    1980 Holiday 181

    Trailer now has color. I had some “recreation white” laying around the garage and that’s the new finish. I did find 2 rivet heads missing in the stern about 4” forward of the transom. I took a hammer and pin punch and they easily popped out. I’ll replace them this evening when I get a helper.
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    Boat refueling

    That looks perfect for my needs.
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    1980 Holiday 181

    Haven’t had much time to work on the boat this week as I have a small 12’ aluminum I’m needed to get ready for this weekend. I did get to start on the scraping, sanding and priming the trailer last night. It’s not exactly fun but it needs to be done none the less.
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    Boat refueling

    I’ll have to disagree on not having live electricity. I have to have power to keep an eye on my fuel gauge. I’ve had fuel pour out the vent at a gas station and definitely don’t want a repeat on the water. A properly wired in fuel pump is just as safe as the blower used to evacuate built up...
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    Boat refueling

    I’ve been boating for the better part of 50 years. All my boats up until recently had used portable fuel tanks so refueling was never really an issue. My current boat has a built in fuel tank and the lake I’m at does not have dockside fuel service or a gas station at all. For the last year it...
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    1980 Holiday 181

    Took the tilt clutch apart this evening. I found the spacer that goes between the snap ring and spring washers was on top of the snap ring. I removed the clutch assembly, moved the spacer to the proper spot and the tilt now works up and down. I can however still pull the drive unit up by hand so...
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    1980 Holiday 181

    So far everything mechanically wrong with the boat has been caused by the previous owner’s lack of mechanical aptitude or just plain carelessness. My brother sent me the link to this boat when it was first advertised and the seller was asking $1600. I would have bought it for that price but the...
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    1980 Holiday 181

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    1975 omc sterndrive power tilt problems

    Post a pic of the solenoids showing the wiring. On my boat the previous owner had the wiring in a state the there was only clicking. After wiring it properly, everything works. Never assume the previous owner knew what they were doing.
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    1980 Holiday 181

    This evening I started to look at the tilt/trim issues. I made sure my battery was fully charged and started the clean all the connections. As I was cleaning I noticed that the way it was wired there was no way it would ever work. The previous owner had the power in the wrong spot. Both tilt...
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    1980 Holiday 181

    My plan is to keep this and sell my 16 1/2’ fiberglass boat. This will suit my needs much better. It has the OMC.
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    1980 Holiday 181

    It looked like this when I got it home.
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    1980 Holiday 181

    my wife has been cleaning the interior slowly and making progress. Any ideas on how to get the really bad spots clean? She is going to try a TSP solution as it’s always been a reliable cleaner for her.
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