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Old 11-29-2024, 07:23 PM   #11 (permalink)
jclars
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Join Date: Nov 2024
Location: Lynden, WA
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Grey Turd - '50 Plymouth Business Coupe Deluxe
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Battery placement for locating connectors

With batteries charging/balancing on the bench four at a time, I placed the remaining ones in each box frame to start determining wire terminating points.

As seen in front, there is a contactor box where the HV positive side switches. The controller/inverter is located where the original 12V battery used to sit. Very convenient! Also shown in the front box is a shunt that was bought in my ignorance of where I would eventually go with gauges/display. Not in the box are the eventual 30A fuse blocks and conductors for the charging system located in the trunk. The HV cable on the right is the main negative series link from the rear pack contactor.

At the rear, the box slipped nicely into where the gas tank had been - without cutting or chopping. The rear contactor box is on the left. I had located the main rear fuse there, but it was recommended to be located within the box, so it eventually moves from there. Second from left is the DC-DC 12v charger and next to it the AC-DC charger connected to the charging receptacle on the rear fender where the gas cap used to be.

The box on the RH side of the rear pack is the 12v command center, with 12v battery directly under. Inside are terminal strips for +/- on the sides and the BMS master control unit "MCU" (white labeled box) the brains of the outfit! Also 12v fuses and a lo-hi DC-DC enabling relay.

The charging port required my hot rod bias. Having used these pre-shaped doors before on ICE resto-mods, I figured I could disguise the EV within.

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Last edited by jclars; 11-29-2024 at 07:54 PM..
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