Hello, All. Can anyone tell me where to find reliable ecm wiring harness diagrams? I can not get the ECM to fire the injectors. 1991 5L TPI Z28 (was a TBI) . Also any thoughts on the not firing part would also help. Thanks.

 

Not sure about the problems with injectors not firing but you might find this article in Tech Section useful regarding ECM wiring.

http://www.eecis.udel.edu/~davis/z28/ecm_swap_730/

Also I find this book useful: Chevy TPI Fuel Injection Swapper's guide - I got mine from Barnes and Noble

Regards

Andrew
88 IROC- Z 350 TPI