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Making a simple IMA bypass connector from an old pack relay board
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Handy use for Aluminum tape.

Making a simple IMA bypass connector from an old pack relay board

Making a simple IMA bypass connector from an old pack relay board
simple IMA bypass connector

The IMA battery can be completely removed from the car, and the car will still function, if the DC/Dc converter can have the HV input it requires.
The typical way to do this is to remove the whole connector/relay board from the pack, and use it to make those connections.
If the fuse and connector from a used pack is available, a much safer and simpler IMA bypass can be construced.
You remove the DC/DC connector, the 30A fuse, and make up some wires with ring terminals, and make a short bypass connector with those components. It is important to keep everything well insulated, and prevent ant possible shorts, so here is how I made mine.
If you can leave the HV battery in the car, just pull the "A" connector of the BCM and turn off the HV battery switch
location of BCM A connector