Ignition switch
Need to wire my fuel gauge too.
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Joined: Jan 2001
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From: Virginia
Most start buttons are just momentary pushbuttons wired to a hot wire on one side, and running out to the starter solenoid on the other side. Push the button and it sends power to the starter solenoid. The motor turns over, but won't start unless you turn the other keyswitch also. And you can wire a neutral safety inline with this wire to the starter. If you have a automatic and live in a place like I do where we have inspections, they check such things as not cranking over unless it's in park or neutral.
The fuel gauge depends on what gauge you are using, and what sending unit you are using.
The fuel gauge depends on what gauge you are using, and what sending unit you are using.
Moderator
Joined: Jan 2001
Posts: 57,023
Likes: 2,754
From: Virginia
The 55 was 6 v positive ground, the mustang will be 12v negative ground.
I had a 53 Ford f100, don't think the original sender is going to work for you. If you take it apart and look at it, it actually is a glorified turnsignal flasher. It actually grounded and ungrounded the old gauge continuously like a flasher. The sending unit arm mechanically presses on this flasher unit, making it flash faster or slower. So this grounded and ungrounded the ground for the fuel gauge faster or slower, which made the gauge read higher or lower.
The mustang unit has a variable resistance like most modern sending units do.
What I did was kept the original tank. One good thing about the original tank, it had two separate holes, one to pick up the fuel and the other for the sending unit. You will find most modern tanks like the mustang have one hole for both fuel pickup and the sending unit.
When you have a separate hole for the sending unit, you can get a fuel gauge setup from the aftermarket. I got one from JCWhitney, mounted the guage under the dash and made a adapter and mounted the sending unit in the tank. It worked but the gauge was cheap and would stick. If I had spent more money I would have had more success with it.
I had a 53 Ford f100, don't think the original sender is going to work for you. If you take it apart and look at it, it actually is a glorified turnsignal flasher. It actually grounded and ungrounded the old gauge continuously like a flasher. The sending unit arm mechanically presses on this flasher unit, making it flash faster or slower. So this grounded and ungrounded the ground for the fuel gauge faster or slower, which made the gauge read higher or lower.
The mustang unit has a variable resistance like most modern sending units do.
What I did was kept the original tank. One good thing about the original tank, it had two separate holes, one to pick up the fuel and the other for the sending unit. You will find most modern tanks like the mustang have one hole for both fuel pickup and the sending unit.
When you have a separate hole for the sending unit, you can get a fuel gauge setup from the aftermarket. I got one from JCWhitney, mounted the guage under the dash and made a adapter and mounted the sending unit in the tank. It worked but the gauge was cheap and would stick. If I had spent more money I would have had more success with it.
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