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Conversation Between TR4 and Stonefish
Showing Profile Comments 1 to 2 of 2
  1. TR4
    06-15-2022 07:45 AM
    TR4
    Hi Phil,
    Let me try to explain. The house and chassis batteries are two separate systems. The only thing connecting the two are the boost solenoid, but only when it’s activated.

    Mine is wired this way. Facing the solenoid, left large terminal is chassis, right large terminal is house. Left small terminal diodes, right small terminal boost switch and oil pressure sending unit.

    The solenoid is normally open (no power will pass between the large terminals). When you ground the small terminal (opposite the diodes), the solenoid will activate and power will pass between the chassis and house batteries.

    By disconnecting the house batteries, you should not have power on the house side of the large terminal. Then when you activate the solenoid (ground small terminal) you should see 12 volts. This 12 volts is chassis power that has flowed from one side to the other after the solenoid is activated.
    Feel free to call if this isn’t quite clear.
    Bill (650-245-6811]
  2. Stonefish
    Hey Bill,

    This isn't the guy with the problem, I just soak in as much info as I can, when I can. When you say disconnect the positive side of the chassis batt, you are just talking from the heavy lug on the solenoid, meter that to ground should be 0, and then jumper the negative small term. to a ground and should read 12V on removed cable to ground? correct I hope..lol Thanks, Phil

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