This HOW-TO Shows you how to wire an Alpine SEC-100S SEC-150 Alarm but really it translates through to any alarm just substitute my colours for yours.
I didn'e hook up any ignition disabler if they want to steal the whole car their welcome too
<table cellpadding="2" cellspacing="2" border="1" width="100%">
<tr>
<td valign="Top">Function</td>
<td valign="Top">Alarm Wire Colour</td>
<td valign="Top">Vechicle Harness Colour</td>
<td valign="Top">Places to find Wire</td>
</tr>
<tr>
<td valign="Top">+12V</td>
<td valign="Top">RED</td>
<td valign="Top">N/A</td>
<td valign="Top">Battery</td>
</tr>
<tr>
<td valign="Top">GND</td>
<td valign="Top">BLK</td>
<td valign="Top">N/A</td>
<td valign="Top">Chassis</td>
</tr>
<tr>
<td valign="Top">Ignition</td>
<td valign="Top">YEL</td>
<td valign="Top">BLU/WHT</td>
<td valign="Top">Back of Radio
Back of Clock</td>
</tr>
<tr>
<td valign="Top">Door Sensor Input</td>
<td valign="Top">GRN</td>
<td valign="Top">GRN/YEL</td>
<td valign="Top">Door Switch</td>
</tr>
<tr>
<td valign="Top">Trunk Sensor Input</td>
<td valign="Top">BLU</td>
<td valign="Top">WHT/GRN</td>
<td valign="Top">Luggage Light</td>
</tr>
<tr>
<td valign="Top">Light Flash
Output
</td>
<td valign="Top">WHT
</td>
<td valign="Top">GRN/WHT
</td>
<td valign="Top">Back of Clock
Back of Cig. Lighter
</td>
</tr>
<tr>
<td valign="Top">Siren Output
</td>
<td valign="Top">BRN
</td>
<td valign="Top">Siren RED
</td>
<td valign="Top">On Siren
</td>
</tr>
</table>