How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask K. Wiggins Your Own Question
K. Wiggins
K. Wiggins, ASE Certified Technician
Category: Chevy
Satisfied Customers: 2921
Experience:  ASE Certified Technician, Associates Degree in Automotive Technology, 15+ years in the trade
Type Your Chevy Question Here...
K. Wiggins is online now
A new question is answered every 9 seconds

No power to fuel pump,after injector wiring shorted out,

Customer Question

no power to fuel pump,after injector wiring shorted out
JA: Is the power loss consistent, or does it fluctuate?
Customer: consistent
JA: What is the model/year of your Chevy?
Customer: 1987 S10 2.8 ENGINE
JA: Are you fixing your S10 yourself? What have you tried so far?
Customer: YES, figured the fuel pump went out when I could not get gas at TBI 220. Replaced fuel pump but had no effect , Discovered wires burned into at the interject.Replaced both injectors and wiring.Still now power. Checked fuel pump relay and fuse OK . Book reads about a fuse under hood but I can't find it
JA: Anything else you want the mechanic to know before I connect you?
Customer: Not at this time
Submitted: 11 months ago.
Category: Chevy
Expert:  K. Wiggins replied 11 months ago.

Power comes from the ECM fuse B for the pump. It goes from the fuse to the relay and oil pressure switch. Check that you have voltage at orange wire of the oil pressure switch. I'll post the diagram below.

Customer: replied 11 months ago.
NO power to ECM fuse B
Expert:  K. Wiggins replied 11 months ago.

Thanks, there's two fusible links at the starter check both of those.