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ECM Fuse Wiring Diagram

Anybody have any ideas what could be causing this intermittent short? I was thinking maybe a faulty injector? Any other obvious things to check?
- Darryll83
- Post #2
- Jul 6, 2011
- Forum: Engine Performance + Maintenance
Putting A Chip In A TBI Truck

A few years back I deleted my cat with a straight pipe in my '89 5.7L (don't tell C.A.R.B. :wink:) and the truck kinda hesitated and fell on it's face at around 3-3.5k RPM. I put a stage 2 Jet chip in it and it made a world of difference. I know have power all the way though my RPM range..
- Darryll83
- Post #16
- Jul 6, 2011
- Forum: Engine Performance + Maintenance
ECM Fuse Wiring Diagram

Does anybody have the wiring diagram for the ECM/IGN circuit for an '89 5.7L? For some reason it is not included in the Haynes Manual. I have been tripping the fuse, which by the way is not fun when it happens in the middle of the street.. I know I probably have a short somewhere and I would...
- Darryll83
- Thread
- Jul 6, 2011
- Replies: 1
- Forum: Engine Performance + Maintenance