2002 Ford Ranger Vehicle Wiring Chart and Diagram Use both wires and diode isolate as shown in ation or Call Commando Toll-Free at 800.  The PCM (Powertrain Control Module) is on the top of the firewall under the hood towards the passenger side. The tachometer wire is in pin 48. Can also get tach at the ignition coil or coil pack. Use any of the tan/stripe wires.  2002 Ford Ranger Starter | Advance Auto Parts We currently carry 20 Starter products to choose from for your 2002 Ford Ranger, and our inventory prices range from as little as $81 up to $231. On top of low prices, Advance Auto Parts offers 7 different trusted brands of Starter products for the 2002 Ford Ranger.