No spark no fuel?

[Face]

Came out no start. Cracked fuel line to TBI nothing. New fuel pump and filter. No fuel no spark. Rebuild kit in TBI. New cap, rotor, plugs n wires, coil, ignition module and pickup coil. Still nothing? Any Ideas? Its a 2yr old crate motor

 

[Bent77]

Are the fuses to the ECM and pump relay okay?

 

[Face]

Thank you for reply. Ecm fuses good, haven't checked pump relay at all because spark from coil good then nothing beyond. Its why I replaced all those ignition parts. Injectors don't spray and dist. Doesn't spark?

 

[Bent77]

The common source for both is the ECM. There are 2 power inputs to the ECM and a crank signal wire (to tell it those two need to work)

One of those 3 is my guess

 

[Bent77]

https://ck5.com/forums/threads/87-91-tbi-wiring-diagrams.302678/

 

[dyeager535]

Thank you for reply. Ecm fuses good, haven't checked pump relay at all because spark from coil good then nothing beyond. Its why I replaced all those ignition parts. Injectors don't spray and dist. Doesn't spark?

Look up your service manual in my signature block. Going to help by running through a logical process.

ECM has nothing to do with spark during cranking. Your problem is in the distributor if you are getting spark from the coil TO the cap. I assume you tested the coil wire.

 

[Face]

Yes coil and module new power coming from the coil. Pick up coil tested good I have found I have no power to ecm on the 2 orange wires going into smaller plug on ecm. Time to unravel the tape around those wires and find out where its disconnected

 

[Bent77]

Yes coil and module new power coming from the coil. Pick up coil tested good I have found I have no power to ecm on the 2 orange wires going into smaller plug on ecm. Time to unravel the tape around those wires and find out where its disconnected

Start at the fuse holder on the firewall. Since its not the fuse, it should be hot both side of the fuse. If so, power loss should be between the fuse and the ECM.
No power at the fuse trace toward the supply

 

[Face]

Thank you Brother

 

[BigBen]

Thank you Brother

Bad pick up coil can kill fuel and spark.

Edit-. Crap, you already changed it...