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What is a good key-on ignition wire to use to wire the msd 6a box in the engine compartment? The wiring is a disaster from the last motor swap someone did on it.

Also, whats a good ignition wire to use to my in-tank fuel pump? Im losing the computer so I need it to come on with the key. Any suggestions?
 

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For the fuel pump find the fuel pump relay & reuse it . Find the wire that engergizes the relay .Then run a wire from the fuse box that has 12V when the key is in the run postion only. Make sure it doesn't have 12V when the key is in the acc. postion. Connect this wire to the relay & now you can use the stock relay & wiring harness .. Works great on mine. You'l have to get a fuel pressure regulator if you are going with a carbed engine.
 
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