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Seatalk cabling

Discussion in 'Boat Electronics' started by RoyB, Aug 16, 2003.

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  1. RoyB

    RoyB Guest

    Sorry if this has already been asked 10,000 times but,,,,

    I have 3 Raymarine ST40 instruments, speed, depth, wind. They were
    supplied with Raymarine power cables that have the yellow wire
    connected at the instrument end but folded over under heat shrink on
    the other end.

    The wind and speed instruments need to talk to each other to support
    true wind. All three need to talk to each other to support single
    switch dimming, etc.

    Can I simply patch the three yellow wires together as well as the
    three red and three black power connections to accomplish this or do I
    need some more sophisticated patch box?

    Thanks in advance;

  2. Ian Malcolm

    Ian Malcolm Guest

    The ST50 series power lead DID NOT have the yellow data wire connected
    inside the plug at the insrument end. Check your leads with a meter for
    continuity on the yellow wire!

    Autohelm even used to sell a junction box for this sort of star
    connection, but you were supposed to buy the more expensive data cable and
    cut it in half!
    ianm[at]the[dash]malcolms[dot]freeserve[dot]co[dot]uk [at][email protected], [dash]=- &
    *Warning* SPAM TRAP set in header, Use email address in sig. if you must.
    'Stingo' Albacore #1554 - 15' Uffa Fox designed, All varnished hot moulded
    wooden racing dinghy circa. 1961
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