I have the Aeromotive 16302 fuel pump controller to run my A1000. It says in the instructions that vehicles with coil packs need a tach driver to get the signal. What are you guys using? The motor is a 5.3L with stock pcm.

 

i have a brand new autometer tach adapter part#9117 $50 shipped

 

I am wondering if i need it or if there is a pin in the pcm.

The one pin that I think may work is white wire on pin 10 in the green connector. Says engine speed signal.

 

I believe you are correct.

 

Well white wire pin 10 works just fine for future reference.