LS swap PSI harness

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jmad1211

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I am doing a 6.0 LS to a 700R4 4x4. I am going to use the PSI LS harness. I am wanting to know what wires do I need to keep that are coming through the fire wall? There’s a wire coming off the battery(red), a second wire that feeds goes to the horn(green). What else do I need to keep off this connector tho? I’d like to keep the radio and AC. Everything else can go correct?
 

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Ricko1966

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^^^^ There will be other wires you need. Alternator exciter,oil pressure,temp sender,fuel gauge sender,etc. Clean up what's not needed after EVERYTHING is in and working. Okay we are back to ads covering every inch of my phone screen. WTF!
 

jmad1211

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Was this originally a TBI or a carb truck?

In my mind, the simplest thing to do is leave it all there. Then whatever is leftover after your swap can be removed.
Yes this was a carb truck that had a 94ish 350 that someone put in there at some point. I have the PSI harness and supposedly has everything to connect to the Dakota dash OE looking gauges. Which I was planning on running with this. I just didn’t want to have a hole going through the fire wall and reuse the one that has the original one.
 

jmad1211

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Jose
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k5 Jimmy
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350/700R4
^^^^ There will be other wires you need. Alternator exciter,oil pressure,temp sender,fuel gauge sender,etc. Clean up what's not needed after EVERYTHING is in and working. Okay we are back to ads covering every inch of my phone screen. WTF!
I was actually thinking of that but I figured since the PSI harness has everything and I’m running Dakotas I didn’t need anything other than the bare minimum if that makes sense.
 

Ricko1966

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I was actually thinking of that but I figured since the PSI harness has everything and I’m running Dakotas I didn’t need anything other than the bare minimum if that makes sense.
What would have made sense was telling us you were using Dakota digital and didn't need your OE senders on the first post. You still we need a wire for the starter solenoid,unless your aftermarket harness has one. What about heater blower,wipers,and AC
 

jmad1211

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Jose
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350/700R4
What would have made sense was telling us you were using Dakota digital and didn't need your OE senders on the first post. You still we need a wire for the starter solenoid,unless your aftermarket harness has one. What about heater blower,wipers,and AC
I apologize for that. I’m new to the swap world. Learning as I go. So as far as I know it has the AC but does not have the wipers, radio, and interior lighting. The lights run off a different harness too so I didn’t know if I had to run a “hot” wire to the current fuse box directly. Which I think is that red wire in that one picture. I could be wrong.
 

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