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SDS EFI install "KEYED POWER"?


Kennysgreen280zt

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I realize that the SDS needs power both while the key is in the on position and also while it is cranking. I guess what I am asking is what wire (or wires) have power when the key is in both positions. I thought I had it figured out but the wire I picked didnt work out so well. :( Thanks from anyone who has the answer! oh yah my car should be back on the road once I figure this all out and put the hood back on :D

 

Later all! cheers.gif

~Kenny

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Nathan's right. Look at the fusebox cover, and find the fuse that supplied the original ignition system with power (you may have to pull the negative battery cable off and unbolt the fuse block from the sheetmetal to see what color the wire you need is) If the SDS system pulls a lot of power, then use that original ignition power wire to activate a relay running directly off the battery.

 

That's how I wired up my MSD box.

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