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    Install windshield wipers in 2859

    We love our 2859, but one of the biggest faults is the lack of three windshield wiper, one for each helm window. Bayline skimped-out and put only one wiper in the starboard window. My Admiral doesn't drive the boat very often, but last summer it was sloppy and raining when she was at the helm heading across Bellingham Bay. Between the bow splash and rain, she had a difficult time seeing a group of kayakers approaching from the port. So, she said we absolutely needed a wiper on each windshield. I looked online for info about how to install wipers and didn't find much. Not a big deal, I'd "engineer" it myself. First, I had to decide how to wire the wiper motors. I looked at several prospective round and slept on them for several nights. As usual, after reassessing, a light bulb on in my gray matter and I found an easy route that won't be very obtrusive. I drilled a hole just below the starboard side of the bulkhead entry way. I drilled the hole at an angle pointing down and towards the stern. The hole ended within the space in front of the control panel. Perfect position to pull wire over to switch. Click image for larger version

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    "Del-Sea"
    "98, 2859
    7.4 Mercruiser, B II
    Ferndale, WA. USA

    #2
    Originally posted by randygh View Post
    My 2859 was built with one windshield wiper on starboard helm window. Very inadequate in rain or sloppy water. I decided to install wipers in the middle and starboard windshields. I couldn't find any essays about it in BOC so I decided to "engineer" the project. Turned out well and the Admiral is very pleased too. (I'm having difficulty uploading essay and photos. Will figure it out in a few minutes. Stand by)
    "Will figure it out in a few minutes"

    i hope so... I want to add one on the port side and have been dreading drilling a hole in the pillar.... the center windshield is not as important as being able to see whats on my port bow....


    NU LIBERTE'
    Salem, OR

    1989 Bayliner 2556 Convertible
    5.7 OMC Cobra - 15.5x11 prop
    N2K equipped throughout..
    2014 Ram 3500 crew cab, 6.7 Cummins
    2007 M-3705 SLC weekend warrior, 5th wheel
    '04 Polaris Sportsman 700 -- '05 Polaris Sportsman 500 HO
    Heavy Equipment Repair and Specialty Welding (RETIRED)

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      #3
      Click image for larger version

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ID:	606946 I drilled the switch in the panel between the rows of rocker switches and pulled 16 ga trailer-light wire. I checked to be sure the 16 ga wire would carry a 5 amp load from switch to motor. The motors pull 5 amps each and recommend a 10 am fuse with 16 ga wire. I ran two sets of wire, one for each wiper motor. Click image for larger version  Name:	20201118_175434.jpg Views:	0 Size:	1.11 MB ID:	606941 Click image for larger version  Name:	20201118_190908 (1)-1.jpg Views:	0 Size:	1.02 MB ID:	606942 Click image for larger version  Name:	20201118_190937_001.jpg Views:	0 Size:	962.2 KB ID:	606943 Click image for larger version  Name:	20201118_191247.jpg Views:	0 Size:	1.16 MB ID:	606944
      "Del-Sea"
      "98, 2859
      7.4 Mercruiser, B II
      Ferndale, WA. USA

      Comment


        #4
        I didn't know how thick is the hardtop, so I ordered Ongaro heavy duty motors with 2.5" shafts. The shafts were about 1/4" short in order to screw on the nut. I exchanged the motors for Ongaro 3.5" shafted motors. I determined the center at the bottom of each window and drew a line 2.5" forward of the frame. I centered the SS plate over the line and outlined the hole for the drive shaft. The drive shaft is off centered about 1 inch to the starboard. I drilled the hole with a 9/16" bit. It is very important to be sure the drill is held 90 degrees to the surface. I applied a very large amount of marine silicon sealant around the shaft prior to seating the wiper plate. I drilled a pilot hole for the SS anchor screw. It seated very solidly. (NOTE: prior to drilling holes in the hardtop, I made a faux window from plywood and laminate. I wired the motor and tried wiper before working on the boat.)Click image for larger version  Name:	20201129_171904.jpg Views:	0 Size:	1.52 MB ID:	606948 Click image for larger version  Name:	20201129_171856.jpg Views:	0 Size:	1.39 MB ID:	606949 Click image for larger version  Name:	20201211_154911.jpg Views:	0 Size:	897.1 KB ID:	606950 Click image for larger version  Name:	20201211_160147.jpg Views:	0 Size:	1.25 MB ID:	606951 Click image for larger version  Name:	20201211_160434.jpg Views:	0 Size:	710.2 KB ID:	606952
        "Del-Sea"
        "98, 2859
        7.4 Mercruiser, B II
        Ferndale, WA. USA

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          #5
          I didn't know the sweep angle, so I set it 60 degrees, left park. Sixty degrees wasn't enough so I tried 70 then finally set at 80 degrees. Setting the park and degree-sweep necessitated removing the back of the gear housing. The default is set for left park, 90 degrees. The directions on setting the sweep angle and park side are straight forward. The setting screws are factory set waaaay to tightly. I was able to remove them with some extra effort and swearing. Be sure to complete the sweep angle and park side settings before applying sealant around the shaft and tightly mounting the motor. Click image for larger version

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          "Del-Sea"
          "98, 2859
          7.4 Mercruiser, B II
          Ferndale, WA. USA

          Comment


            #6
            Click image for larger version  Name:	20201212_134550[1].jpg Views:	1 Size:	1.36 MB ID:	606961 I purchased Ongaro blades to go with the Ongaro pentograph wiper arms. The installation graphic on the blade box showing how the blade attaches to the j-hook was about 5/16" square. Difficult to see and understand. Bad deal. I had to fine tune the angle of the pentograph arms. Both drive and slave arms are length adjustable. To fine tune the wiper blade position, I sprayed water on the glass and the Admiral was at the helm turning on/off the wiper motor. Her help was really appreciated while I did the adjustments. Important to keep the glass wet when fine tuning the angles of the arm and blade.
            "Del-Sea"
            "98, 2859
            7.4 Mercruiser, B II
            Ferndale, WA. USA

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              #7
              When I installed the the wiper switch, I recorded the color and function of each wire to the wiper motors. The motors are color coded for ground, park, slow speed and high speed. I ran the wires inside the white flex cover and applied stick 'em velcro hook strips to cover's seam. The velcro hook strips stick nicely to the rat fur. The Admiral is pleased with the final product. The wipers look fine in the cabin and the pantograph arms work very well. The arms, with a 80 degree sweep go from edge to edge of the windows. Can't wait for spring boating. Click image for larger version

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              "Del-Sea"
              "98, 2859
              7.4 Mercruiser, B II
              Ferndale, WA. USA

              Comment


                #8
                Looks good. Thanks for posting. What was the total cost of the project? Are those the waterproof motors??? Also, what is the length of the wiper arms, slave arms and blades you used?
                Wayne,
                Formerly-Fish-a-Palooza

                Washington State, Salish Sea, Everett

                1993 2859, 5.7L, Bravo 2, Seahawk II MMSI 338384974
                1988 Trophy 2160, 4.3L, VP Duoprop MMSI 338120888
                1988 1750 Bass & Ski, Force 125

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                  #9
                  WOW, great installation, thanks for the pictures.
                  Slightly modified 2859 6.5 Diesel Bravo III X drive
                  96 Dodge 5.9 5 speed Gear vender OD.

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                    #10
                    The cost of wiper motors, arms and blades, including all taxes, was $410.79 The switch, wire and plastic cover total was $46, so the GRAND TOTAL $456. I purchased the wiper arms and blades online at Hodge's Marine Supply. Total cost, including tax, was 174.99. The wiper motors were from Amazon, $108 ea + tax = $235.80. Switch and wire around $46. The motors are waterproof. The wiper arms are adjustable 19"-24" and the wiper blades are 22". The Ongaro motors are the heavy duty with 15 n/m torque. I really shopped for best price. I looked at Fisheries Supply, Lummi Fishery Supply and Great Lakes Skipper, but Amazon and Hodges had the best prices. I called and spoke to Hodges about the Ongaro motors. The lady was very informative and helpful. Good service without being on hold for 20 minutes.
                    "Del-Sea"
                    "98, 2859
                    7.4 Mercruiser, B II
                    Ferndale, WA. USA

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                    • Seahawk II
                      Seahawk II commented
                      Editing a comment
                      Thank you! Those measurements are really helpful. I saw those motors on Amazon as well and my 1st thought was no need for waterproof, but non waterproof are running around the same price.

                    #11
                    I made a similar upgrade on my boat about a year ago, and used similar (probably the same?) motors sold under Wesco brand by Fisheries Supply.

                    In my case, I found a foam core inside the cabin deck, and had to remove it around the drilled hole, fill with thickened epoxy, and redrill.
                    I used a similar rout to bring the wires from the existing (starboard) wiper location to the new one, but just fished the individual wires under the monkey fur using the "straitened" coat hanger.
                    I wanted the new wires to connect directly to the power panels under the dash, and followed the existing wiper wires that run over the head compartment ceiling. It required some disassembly of the ceiling panel, but was fairly easy overall.

                    I also replaced the original wiper with the new one so now all my motors are of the same type. One observation after completing the project was that I used a new 12 gage wires for the port wiper, and reused original wiper wires for the starboard. My observation is that the new wiper works faster and feels like having more power than the original, so maybe it will make sense to replace the original wires with a heavier gage in the future.

                    Alex
                    1997 2859, 7.4 MPI, Bravo II
                    1993 2452, 5.7 Bravo II - SOLD

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                      #12
                      I looked at running the new wire above the head ceiling to the back of the helm instrument panel, but it looked like a difficult job. I like the idea of burying the new wires under the rat fur. I haven't thought about replacing the original wiper motor since it works well. I probably does run at a different speed than the two new motors.
                      "Del-Sea"
                      "98, 2859
                      7.4 Mercruiser, B II
                      Ferndale, WA. USA

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                        #13
                        Great upgrade! Thanks for posting!!

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                          #14
                          I was on the boat for 8 days in the San Juans before the "big" storm hit. It rained quite frequently, some times very hard while traveling. The two new wipers worked perfectly. Very worthwhile improvement.
                          "Del-Sea"
                          "98, 2859
                          7.4 Mercruiser, B II
                          Ferndale, WA. USA

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                            #15
                            How do you like both wipers controlled on one switch? Do you have a part number for the motors?
                            Jerome Robbins
                            Commodore, Fidalgo Yacht Club - 2019
                            Anacortes, WA

                            Presently: 1999 Bayliner 2859 Ciera Express, V8-7.4L
                            Previously owned:2001 Bayliner 4788 - twin 370 Cummins,
                            1994 Bayliner Ciera 2855 V8-7.4L
                            1994 Bayliner Classic 2252 V6-5.2L

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