1999 Buick Century Tach Wire

Help!

My son is trying to install a remote starter on a 1999 Buick Century.  According to the install instructions the tach wire is

does anyone know exactly where this wire is??

Thanks.

Robin

U can use Fuel Injection wire.  Use the odd color wire on one of the fuel injectors.  If U look at fuel injectors U will see a common color wire for all injectors and a different color wire on all injectors, that is the one U use

* Powertrain Control Module Located On Front Of Engine In Air Cleaner Housing.