W115

1975 240D Relocate Battery to Trunk

I need to relocate my battery to the trunk of my 1975 240D so I can install the Electric Fuel Boost Heater close to the injection pump.

I'm trying to install the Electric Fuel Boost Heater. I went through a lot of work making mounting brackets and a plate but in a nutshell it doesn't work. It vibrates too much, and I'm afraid the vibration will danmage the thermostat of the EFBH. I made the mistake of relocating my orginal fuel filter and mounting the EFBH to the fuel filter mount. I think I'm better off to relocate my battery so the EFBH will be attached to the car body and not the engine.

My questions are:

1)Where is the best place to drill a hole in the trunk for the battery cables?

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1975 240 D Electrical Power For Radio

I do not have any power to the electrical supply to the radio. Just bought the replacement fuse set from Kent and have cleaned all terminals and replaced every fuse. On the fuse box lid there is not an indicated fuse for the radio. So,,maybe I am not looking in the right place. Where is the fuse for the radio supply?

Thanks,
Tom Smith

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