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  1. #1
    Member
    Join Date
    Dec 2013
    Location
    lewisburg
    Posts
    1,083

    Garmin 7sv came in today

    Got home after work and started in on it.....had to mount it on top edge beside me on driver side. Was really apprehensive about drilling...put tape down and the holes were drilled perfectly. Went to start screw just to see if it would be a smooth in and after 2 two turns, Crack, gel coat cracked! Just a little around the hole opening, but still yet. Evidently the 1/8 hole suggested by garmin for their screws was a bit small....so I found a little bigger bit and went through again....all went well after that, but I decided to leave a little piece of tape over the cracked gel coat on the one hole....man it left a lump in my throat but chit happens  so now it's on to the transom and also running the transducer cord....eh that part doesn't sound like to much fun. Gonna take the power cords from both the DV ando sv and solder the communication wires tomorrow and prep the power cord. I did notice that the sv head unit has a screw and crimp on the backside and a diagram grounding to the battery. My DV didn't have this but does have 4 threaded holes behind the head unit

  2. #2
    When you drill fiberglass you have to chamfer the hole or the screw threads will lift the gel coat exactly like you're talking about.

  3. Member
    Join Date
    Dec 2013
    Location
    lewisburg
    Posts
    1,083
    #3
    is it going to hurt anything? I left the piece that popped up around the hole and left it and the screw hole covered with Teflon tape

  4. #4
    Quote Originally Posted by louievito View Post
    is it going to hurt anything? I left the piece that popped up around the hole and left it and the screw hole covered with Teflon tape
    unless its a huge chunk You're probably fine.

  5. Member
    Join Date
    Jan 2011
    Location
    Ardmore, Ok.
    Posts
    1,879
    #5
    Be sure when you do the communication cable you connect the brown to the blue, and the blue to the brown. Don't worry about the ground wire stub.

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