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  1. #1

    Default ballast resistor

    I have a 1978 350 and the ballast resistor fell apart. So old I cannot read part #. Anyone know the OHM or correct part #?

  2. #2
    Join Date
    Aug 2008
    Location
    Fairport, NY
    Posts
    1,624

    Default Re: ballast resistor

    Quote Originally Posted by kentcass View Post
    I have a 1978 350 and the ballast resistor fell apart. So old I cannot read part #. Anyone know the OHM or correct part #?
    I tend to think there is a not a choice in resistance value. I know there are some with an open element, as opposed to a sealed unit. Due to its a gas boat, don't go for the open element. I'm not a fan of the 1/4" QC on the wiring, but that might limit your choices to zero these days.

    These parts are pretty old school these days.

  3. #3
    Join Date
    Apr 2013
    Location
    Lower Columbia River
    Posts
    79

    Default Re: ballast resistor

    When you say you have a 1978 350, do you mean Crusader model CH350 (454 cubic inch) or 350 cubic inch (Crusader model CH270)? If it's the latter, the Crusader part number looks to be 41064. https://www.marinepartssource.com/cr...pb/220ap73.asp

    Hope that helps.

  4. #4
    Join Date
    Sep 2008
    Location
    Maryland - USA
    Posts
    6,758

    Default Re: ballast resistor

    This is one part you can get from a good auto parts store....Like Dave said, get the 'sealed' version....if they're insistent on the year, make, etc spiel, just tell them 1965 chevy impala with a 283....or any other pre HEI GM from that era.....its just a current limiter ....

  5. #5
    Join Date
    Aug 2008
    Location
    Fairport, NY
    Posts
    1,624

    Default Re: ballast resistor

    here ya go: http://www.marineengineparts.com/sie...-resistor.html
    Terms have holes that might fit screws for ring terms too.

  6. #6

    Default Re: ballast resistor

    Quote Originally Posted by DJR View Post
    When you say you have a 1978 350, do you mean Crusader model CH350 (454 cubic inch) or 350 cubic inch (Crusader model CH270)? If it's the latter, the Crusader part number looks to be 41064. https://www.marinepartssource.com/cr...pb/220ap73.asp

    Hope that helps.
    Thanks....tough finding this stuff. Now need to see if they can cross reference a Crusader number

  7. #7

    Default Re: ballast resistor

    It was the later

  8. #8

    Default Re: ballast resistor

    So I am having a helluva time finding a replacement resistor. It's Sierra #18-29904 (i believe) . Everything Sierra is impossible to get b/c of warehouse issues. This has a specific mount and I'm having no luck. 1978 350 (270hp) Crusader. Boating season is slipping away. Any ideas?

  9. #9

    Default Re: ballast resistor

    Another possibility.
    https://www.amazon.com/Resistor-E12-.../dp/B01NB1J2CT

    Good Luck

    FL Panhandle

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