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switch based ignition help
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<blockquote data-quote="ttocs" data-source="post: 1209578" data-attributes="member: 11896"><p>ah ok if you just want a push to start that is not a big deal. I don't think the manuals will have the wire colors that you would need. I have some books that give me wire colors but honestly they are right maybe 50% of the time on old fords as I have found that a lot of manuals have issued with wire colors on 90 fords. If I were to give you those colors you would need to test each of them before you connect to them, which you should always do anyway. With this being the case honestly looking at your signon if you have a meter you would be better off just going in with the meter to identify each wire while ensuring they are good. I can walk you through the testing phase for what to look for if you know how to use a meter. You will probably need 3 switches though as there is actually two different types of ignition switches in the car. A "TRUE" ignition means that its off with the key off, on with the key on AND it is also on while the starter is cranking. This is for things like your fuel pump, ecu and other necessary items that are needed while the motor is craking/starting. A regular ignition will turn off while its cranking so things like the radio/heater/ac that are not needed are not on to save current for the starter.</p><p></p><p>So with that being said if you were to go down and find the ignition hrns from the switch you can find all the wires you need. Get a piece of paper and stab each wire in the hrns and write down its color and if its live while cranking(true or regular ignition). Once you have those wires tagged its simply a matter of making your switches do the same thing to copy the ignition switch. Its not as bad as you think but you will need to make sure the switches can handle a good amount of current through them or you will need to wire in some relays. I can walk you through that if we need to but again if you get high-current handling switches you would not need them.</p></blockquote><p></p>
[QUOTE="ttocs, post: 1209578, member: 11896"] ah ok if you just want a push to start that is not a big deal. I don't think the manuals will have the wire colors that you would need. I have some books that give me wire colors but honestly they are right maybe 50% of the time on old fords as I have found that a lot of manuals have issued with wire colors on 90 fords. If I were to give you those colors you would need to test each of them before you connect to them, which you should always do anyway. With this being the case honestly looking at your signon if you have a meter you would be better off just going in with the meter to identify each wire while ensuring they are good. I can walk you through the testing phase for what to look for if you know how to use a meter. You will probably need 3 switches though as there is actually two different types of ignition switches in the car. A "TRUE" ignition means that its off with the key off, on with the key on AND it is also on while the starter is cranking. This is for things like your fuel pump, ecu and other necessary items that are needed while the motor is craking/starting. A regular ignition will turn off while its cranking so things like the radio/heater/ac that are not needed are not on to save current for the starter. So with that being said if you were to go down and find the ignition hrns from the switch you can find all the wires you need. Get a piece of paper and stab each wire in the hrns and write down its color and if its live while cranking(true or regular ignition). Once you have those wires tagged its simply a matter of making your switches do the same thing to copy the ignition switch. Its not as bad as you think but you will need to make sure the switches can handle a good amount of current through them or you will need to wire in some relays. I can walk you through that if we need to but again if you get high-current handling switches you would not need them. [/QUOTE]
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