[DeTomaso] Relay Activated Battery Cut-off switch

[Rob Dumoulin]

I have a quick disconnect on the side pole mounts of the Optima battery. It
looks clean and functions perfectly but you have to open the front hood to
operate it. Brad Freeman's car has a manual cut-off switch installed that
is mounted through the trunk on the side of the battery that you can
operate by reaching behind the glovebox from the passenger seat and turning
it on or off.

Has anybody added a massively heavy duty relay that can be triggered by a
switch in the cabin to disconnect the battery?  If it is a standard relay,
it would only pull current when activated, so that would not drain the
battery. Could it damage anything if the battery were accidentally isolated
while the car is running (i.e. MSD ignition or fuel injection computer)?

If anybody did this, what relay could you use?.
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   I have a quick disconnect on the side pole mounts of the Optima
   battery. It looks clean and functions perfectly but you have to open
   the front hood to operate it. Brad Freeman's car has a manual cut-off
   switch installed that is mounted through the trunk on the side of the
   battery that you can operate by reaching behind the glovebox from the
   passenger seat and turning it on or off.
   Has anybody added a massively heavy duty relay that can be triggered by
   a switch in the cabin to disconnect the battery?A  If it is a standard
   relay, it would only pull current when activated, so that would not
   drain the battery. Could it damage anything if the battery were
   accidentally isolated while the car is running (i.e. MSD ignition or
   fuel injection computer)?
   If anybody did this, what relay could you use?.