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oakback 03-19-2009, 11:52 AM I'm going to try to get some work done on my motor swap car, which I have hardly touched in a year.
It's a carbed Ford 5.0 in an S5 vert. Vert still has driver side (left) engine wiring harnesses, the passenger side engine harness from the ECU has been removed (with ABS and wiper stuff extracted from that to use).
I have wiring instructions for the engine side of things (alt/battery/starter/dist), but am clueless on the rest of the wiring.
Where is the ignition wire, meaning I put a wire from the starter solenoid to _____?
Where do I get dash/radio/ac/fuel pump power from? Wire from alt or battery (or ?) to ____?
Tofuball 03-19-2009, 11:57 AM Oh man, I remember it was blue and some other color for IGN.
If I were you I'd use a free relay for all that - just for simplicities sake.
On my van I used a megasquirt relay board and replaced the whole ECU relay set.
svaillan 03-19-2009, 12:29 PM the dash board radio and fuel pump should come from your ignition in the on position.
Tofuball 03-19-2009, 02:19 PM blue - orange?
svaillan 03-19-2009, 02:28 PM I don't know, if you have a helms just follow the ignition wire diagram and connect them after the on position. I hate messing with wires under the dash, my defi gauges have to be attached to a 12v bat, grd, 12v ign, and headlights in the on position.....after almost cutting my ignition lead I decided to take it to a shop!?!
another way you could get theh 12v is to go to your cig lighter.....but I don't think I would want that much load running off my cigarette lighter.
1revnrex 03-19-2009, 03:04 PM Check the Grannys Speed Shop website, they had links about this. Also you can just do key on/key off tests with a test light or multimeter to find out.
oakback 03-19-2009, 04:17 PM Oh man, I remember it was blue and some other color for IGN.
If I were you I'd use a free relay for all that - just for simplicities sake.
On my van I used a megasquirt relay board and replaced the whole ECU relay set.
See, when you say "use a relay", I don't know what you mean. Relays are the little black square things, right? That's about all I know about those. I mean it, I don't know electrical, aside from how to connect one wire to another, like blue goes to blue, white goes to white, solder or crimp, heat shrink, whatever. I need like a 3rd grade level explanation.
the dash board radio and fuel pump should come from your ignition in the on position.
Awesome, less to worry about.
I don't know, if you have a helms just follow the ignition wire diagram and connect them after the on position. I hate messing with wires under the dash, my defi gauges have to be attached to a 12v bat, grd, 12v ign, and headlights in the on position.....after almost cutting my ignition lead I decided to take it to a shop!?!
another way you could get theh 12v is to go to your cig lighter.....but I don't think I would want that much load running off my cigarette lighter.
If I could understand and follow a wiring diagram, I wouldn't be asking! I know the wiring diagrams are all online for free.
Check the Grannys Speed Shop website, they had links about this. Also you can just do key on/key off tests with a test light or multimeter to find out.
I read all that, but it gets really jumbled. He kind of lumps together several cars/engine swaps within the same set of instructions, but I'll look over it again.
blue - orange?
Question mark?
svaillan 03-19-2009, 05:12 PM this should help you understand the symbols of a wire diagram http://www.vanagonparts.com/wiring_sym.html
Tofuball 03-19-2009, 09:06 PM sry, cant xplain till wrist heals. in a cast now - otherwise would love 2
svaillan 03-20-2009, 04:12 AM sry, cant xplain till wrist heals. in a cast now - otherwise would love 2
you need this, your posts are only a few thousand clicks away:bigthumb:
http://theconnexion.net/wp/?p=4471
svaillan 03-20-2009, 04:13 AM oakback send me a link to the wire diagram, I will see if I can help you figure it out.
oakback 03-20-2009, 08:21 AM oakback send me a link to the wire diagram, I will see if I can help you figure it out.
I think this is the right one: link (http://foxed.ca/rx7manual/manuals/S5wiring.pdf)
svaillan 03-21-2009, 02:20 PM I think this is the right one: link (http://foxed.ca/rx7manual/manuals/S5wiring.pdf)
sorry bro but for some reason I can't get this link to load on this computer, I will try with the other on later.
walken 03-28-2009, 06:58 PM if you still have your driverside intact then you should find the two ring terminals for your alternator and starter easily. starter 12v #2 should be a female spade terminal by the transmission.
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