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    Trailer Wiring

    I rewired my trailer with a new led light kit and for a while it worked fine, now the passenger side tail light does not flash when the right turn signal is turned on nor does the brake light work. The light does come on when plugged in. Does anybody have any idea why the light works but does...
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    Trailer Wiring

    I rewired my trailer and for a while it worked fine, now the passenger side tail light does not flash when the right turn signal is turned on nor does the brake light work. The light does come on when plugged in. Does anybody have any idea why the light works but does not function properly...
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    Engine Mount

    I have a 1991 regal with a 3.0 mercruiser engine. While winterizing it today I noticed to large nuts lying in the front of the engine in a small space. Upon further inspection I saw this long threaded bolt which is were they apparently came from. I could barely reach in the crevice and remount...
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    Engine Mount

    I have a 1991 regal with a 3.0 mercruiser engine. While winterizing it today I noticed to large nuts lying in the front of the engine in a small space. Upon further inspection I saw this long threaded bolt which is were they apparently came from. I could barely reach in the crevice and...
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    Changing Bearings

    I want to replace my bearings, races, and seals. Anyone have instructions and tools needed?
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    Trailor

    My passenger side rear trailor light turn signal stopped working and the brake light quit working ( all of this works on the car and on the drivers side of the trailor). The light does come on when plugged into the vehicle. Switched bulbs already cleaned male and female posts already. Any...
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    Distributor cap

    When changing the disributor cap and rotor what else should replaced while I have it apart? Is there a diagram out there? I have a 1991 3.0L mercruiser 4cyl. Any help would be appreciated.
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    starting issues

    My 1991 3.0 L mercruiser starts fine and runs great EXCEPT when I'm on the lake and I shut it down to let the kids swim for a while (maybe 30 or 40 minutes) it has a hard time restarting. I have to push the throttle foward and it will eventually start. It's been tuned up new wires plugs, rebuilt...
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    Hard start

    My 1991 3.0 L mercruiser starts fine and runs great EXCEPT when I'm on the lake and I shut it down to let the kids swim for a while (maybe 30 or 40 minutes) it has a hard time restarting. I have to push the throttle foward and it will eventually start. It's been tuned up new wires plugs...
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    Jensen CPM 405 stereo

    I bought this stereo because it has zero memory current draw, my old BOSS drains the battery in 3 days and the battery is good. My question is the BOSS wired remote MR1515W looks exactly like the remote that jensen recommends MWR43. Same buttons whole 9 yards excepte my current remote says...
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    fuel gauge

    I have a1991 regal boat with a 3.0 l mercruiser IO. Last year my fuel guage worked, this year when I filled it up it stays on empty. If I hit a wave it moves to 1/4 then back to E. When I turn on the key it moves to E, so I think the guage is working. Could it be the sending unit in the tank...
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    Steering

    I have a 1991 3.0L mercruiser and at full throttle it pulls ( very hard ) to the left. I repositioned the trim tab as far left as it will go (per manual) with no difference in the steering. One thing I noticed is when I have the steering wheel straight the lower unit is not straight, it's of...
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    Stabil Ethanol Treatment

    I was just wondering, with the 10% ethanol in fuel now days, does anyone use stabil ethanol treatment? I have a 1991 mercruiser 3.0l with a rebuilt carb on it. It was rebuilt because of WOT issues. Is this new stuff worth using to avoid future problems with the ethanol issues?
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    Impeller Replacement

    Does any anyone have instructions on how to replace the impeller on a 1991 mercruiser gen II? If so I would really like to get detailed instructions on how to remove the lower gear case. The serial no# is OD582279 Thanks
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    Electrical issues

    This is the second time that I have replaced the battery in my 1991 regal boat. Every time I try and restart it, it will not start. I installed a depth finder and I connected that to the ignition wire. That is the only change that I have made. Why my battery will not stay charged is the...
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    Carb Rebuild

    I am in the process of rebuilding the carb on my 1991 3.0L mercruiser Alpha Gen 2. I'm stuck on the carb to manifold torque. In service manual 10 under mercarb 2 barrel the torque specifications P.(5c-1)for carb to manifold is 20lbs. Yet under installation P.(5c-9)it says 132 lbs. Which one...
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    Piranha Propellers?

    Does anyone know anything about these propellers that have replacement blades? I have never heard of this, what are the pros and cons? I am considering this but it sounds to good to be true.The website is www.piranha.com
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    Wot?

    After performing all of the tests that Don S. suggested (the boat passed all tests), and I still cannot achieve WOT. I still smell fuel and the only thing left is the carburetor. I can get up to 30-32 miles per hour. What is the max speed I should be getting? I cannot see any dripping in the...
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    Thanks Don

    Just wanted to thank you Don S. for providing me with mercruiser service manual #10 and #14. They are much much better than the Seloc manual that I have and they tell you exactly what needs to be done in detail AND it works. My manual stated that I did NOT need a gasket for the lower unit top...
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    alpha 1 gen 2 lower unit

    I have a 1991 3.0l mercruiser with the alpha 1 gen 2 outdrive. I was given bad info, told that there was an impeller in the top cap of the outdrive. When I removed this cap there was nothing under there but bearings and a race in the cap. On the outer end you can see were the water flows from...
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