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06-22-2011, 02:16 PM | #1 |
Senior Member
Join Date: Jun 2010
Location: Ft. Walton Beach, FL
Posts: 136
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1950 F1 ignition switch wiring
I need some help wiring up a 1950 F1 ignition switch.
I'm rewiring my buddy's truck with an EZ Wiring harness and I'm trying to figure out how to connect the ignition switch to the wiring. The truck is running a 12 v negative ground system and the motor is now a fuel injected 5.0. The EZ manual shows a 4 post ignition switch, but the factory F1 ignition switch is only 3 post and I have the push button starter button as well (updated to work with the new electrical system). The EZ instructions state to connect the wires in the following manner: IGN SW Power wire --> Bat terminal IGN SW Start --> ST terminal IGN SW Acc --> Acc terminal IGN SW Coil & IGN SW IGN --> IGN terminal The back of the factory ignition switch has three terminals labeled: Coil terminal GA RAD terminal AM terminal How do I wire the IGN wires from the EZ harness to the stock 3 post ingnition switch???? Help!!! |
06-22-2011, 03:59 PM | #2 |
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Join Date: May 2010
Location: Julesburg, Colorado
Posts: 714
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Re: 1950 F1 ignition switch wiring
You will need a two post starter pushbutton and run the ign start wire to one side of the pushbutton. Then a Hot lead to the other side of the pushbutton possibly switched hot from the ignition switch. The original starter button when pressed would ground the one wire connected to it. I believe the batt terminal (GA RAD) on the ignition switch is the longer stud and then the other two posts are ign (coil) and acc (AM).
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06-22-2011, 04:06 PM | #3 |
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Join Date: Jun 2010
Location: Ft. Walton Beach, FL
Posts: 136
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Re: 1950 F1 ignition switch wiring
Thank you gearhead! I do have a two post starter button for the truck, so that's good. I was just confused with the labels on the factory ignition switch. Thank you so much for your input. I'll give it a try.
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06-22-2011, 05:52 PM | #4 |
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Join Date: May 2010
Posts: 820
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Re: 1950 F1 ignition switch wiring
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