E9 Electrical Question

TG-2002-320i-328ci

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Hi
I'm admittedly not great at reading auto electrical diagrams - but am trying to learn. Having said that, I do fairly well with both AC and DC wiring projects.

Question - does anyone have a suggested, exisiting "ignition on" circuit that could spare 3-4 amps to piggy back off of?

I have an accessory that I would like to automatically come on and off with the ignition.

Thanks in advance.
 

Drew20

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I was looking at this on my '72 car recently, as a PO had used piggy back connectors to power the radio. I found spare connectors on the back of the fuse box for permanent live and ignition accessory live. One of them was on fuse 10, accessory IIRC.
E9 fuse box rear.jpg

E9 fuse box front.jpg
 

Markos

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I was looking at this on my '72 car recently, as a PO had used piggy back connectors to power the radio. I found spare connectors on the back of the fuse box for permanent live and ignition accessory live. One of them was on fuse 10, accessory IIRC.

Yes there are plenty of spare pins on the fuse block. Some members have found these pics helpful. Something to be said about color images:

DE273303-263C-4A93-A776-5A03FFFE6FD2.jpeg
2C851EC0-2F30-4656-BCD3-7690A1F9FFE0.jpeg
76D75F69-449B-4C69-A65C-EE3F2FF53955.jpeg
 
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