Push Button Start
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I wired my 92 into a modified push button start. The ignition switch broke, so I took the steering column cover off and found the wiring harness going into the switch. I took a jumper wire and started connecting terminals until I found the set that worked the starter. Then I tapped those two wires and put a momentary button switch in between them. Now you need the key to turn the systems on, but the button works the starter. To bypass the key entirely you'll probably need to add a second switch that connects the wires turning on all the other systems, then keep the starter on a momentary switch.