If you can get to the starter, you hook up one side of the switch to the terminal that goes to the battery and the other side of the switch to the small terminal marked with and "S". The other small terminal you leave alone. Applying power to this terminal will damage the starter. Hook a switch up to the remote turn on and ground. Before the wiring for the amp.
How do you hook up a remote starter switch? - wpdevelopmentworkflow.com
Using a remote starter switch on a vehicle is like a third hand when diagnosing vehicle problems. The remote starter switch allows you to "turn over" or "crank" the engine without actually running the engine. This comes in handy for conducting certain tests, such as compression or finding the high side of an engine cylinder. By following a basic process you can place the in-line switch temporarily on your vehicle, saving you the need to get a helper for a diagnosing situation. Place the car in the "parked" position on the gearshift and engage the parking brake.
Remote Starter Hookup
Hooking up a push button start to a Chevy engine implies an on and off ignition switch has already been installed or the car has a defective ignition switch on the steering column. The push button start switch activates the starter, not the ignition. This device is used in race cars primarily, with a minimal wiring harness. The ignition switch should be turned on first, before pressing the starter button, to activate the starter. Locate a convenient position for the starter button switch.
Ideally, remote starters should be installed by a qualified technician because improper installation can damage expensive vehicle control electronics. However, for someone familiar with electronics and vehicle repair, knowing how to install a remote starter in a car can save money on installation costs and eliminate the frustration of finding a qualified installer. While this article provides some general instructions for wiring a remote starter, it varies by vehicle and remote starter model. To install a remote starter in a car, disconnect the battery and remove the panel covering under the steering wheel.