Ignition System Isues
 

I recently purchased a 1988 RX7 and it appears that someone tried to "hotwire" it.

Here is a list of strange things and possible issues:
1. Horn is always on if the battery is connected
2. A 4-6 gauge wire is connected directly from the hot side of the battery to the white wire with a red stripe.
3. Ignition switch and key detector are both broken

Here is what happens when we try to start the car:

When the wire connected directly to the battery is connected (red box - wiretobattery picture), you can depress the ignition switch with a flat tip screw driver and turn it to all the way to the start position. During the process, I can see the dash board light light up and the dashboard starts beeping. I have heard the fuel pump turn on the the car has even turned over once or twice.

When the wire connected directly to the battery is disconnected, nothing happens when I turn the ignition switch to ACC, On, and Start.

I have searched for where the key detection connector goes, but can not locate the female connector under the dashboard (looked for about 30 minutes with a flashlight). This adapter is shown in the wiretobattery picture with a blue box and in the keydetectionconnector picture.

The actual ignition switch is broken as well and can be seen in the red box in the ignitionswitch picture. I can depress the ignition switch and turn it to all the needed positions, but the car will not start and the horn will not go off.

I have thought about and will probably replace the ignition switch, but prior to doing so I have a few questions.

1. What is the proper way to reset the security system to have the horn turn off?
2. Are their any other things I should know about prior to replacing the ignition switch?
3. Should I be able to turn the switch to the on position and push/pull start the car?

Thanks in advance.

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