Re: Stewart's 1955 Packard 400

Posted by HH56 On 2016/1/13 15:06:45
I don't know where this schematic came from but someone drew the 55 circuit with a 56 box. I've borrowed it and added a battery and show the needed wires strictly for your situation.

Since you just want to test and don't have the brake switch or on/off switch ignore those for now. Wire the rest of the circuit from the control box thru limit switch and solenoids to the motor as per stock.

To bypass the other components go directly from the battery as shown...Ground the battery positive terminal to the frame. Am assuming the components are properly mounted. If so the control switch and motor will pick up ground the normal way. If they are not mounted then you will need to connect a good ground from the battery to both components.

Connect the negative terminal of the battery to the fused red wire feeding solenoids and motor and use another wire to connect to the light green center terminal of control box. Nothing else is needed.

When the wires are connected you can manually move the small lever on control box to simulate the action of the linkage. I am still of the opinion it is not a good idea to stress the system to the limits while not having a load on the bars. You can start things moving and test the action of limit switch by pushing the limit switch actuator lever with a screwdriver or something as if the bar had actually hit it.

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