Thanks for all the input, figured it out, had power going to one side of injector plugs not the other. Started probing around the ecm connectors with a test light and found no power going to the ecm,...

Dont know where intake setup, harness and ecm originated from, was told from an 87 camaro. Motor is a 400 sb with vortec heads and some other work done to the insides, dyno sheet says 468hp/ 453tq....

If im not mistaken 1987 didnt have VATS. And honestly, I would be kinda screwed if I had to figure that all out as this motor, ecm and wiring harness are installed in a 1993 gmc k1500.

Not to be a pain in the arse, but, are the injector drivers for ground in the memcal or computer itself?

can anybody read this? on my computer it just shows up as a complete black back ground with a couple words in white letters

I am working with a 1987 iroc tpi 350 motor, wiring harness and the 1227165 computer. Went to fire it up today and it just cranks, verified there is good spark at the plugs, verified there is 45psi...

Thank you, I will look at them as soon as I get back home.

4l60e

Im pretty sure 5 or 6 pins run to the ALDL connector, I think tach wire runs through and not sure what else. 7 wires come from the ECM( 1 of the 7 wires is purple and connects to a gray box with 3...

i need a pinout schematic of the c200 connector for a 1993 gmc k1500, tbi 350, behind the glove box. Have googled it for days but nothing I can put together. Its a 15 pin connector thats clear...

I have a 1993 gmc k1500 with a 4l60 that I am swapping to a 1987 TPI motor and harness but bulkhead connector from the TPI harness was to small to fit , so figured I could just cut and slice wires...

sounds easy enough, just have no idea what the DPR is

About a year ago I took on a project for a friend that involved swapping a 1986 camaro 350 tpi into a 1993 gmc k1500. We know all about the performance aspects and dont care, he wants it in the truck...

hi all, names Tom and I am living in Vermont. Got a project going on that I could use some help with. 1993 gmc k1500. Took out the tbi 350 and put in a sbc 400, vortec heads and Tpi intake. didnt...