1971 'Cuda 440 727 auto

I turned the key = nothing.

12 volts at yellow wire to start relay with key turned.

Jumped start rely and engine started right up.

Ran a jumper wire from brown wire on start rely to negative battery post and engine started with key.

I figure open wire from starter relay to neutral safety switch.

Anyone have a picture of where to look before I get out the floor jack and start crawling around under my car?

Thanks


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(O O {]{]{]||[}[}[} O O) 1971 Plymouth 'Cuda 440-6 {||O||} 2000 Yamaha V-Max (O O [========= SRT] O O) 2011 Dodge Challenger SRT 392 . Making as big as a carbon footprint as I can!!!