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Ask Dan Your Own Question
Dan, ASE Certified Technician
Category: UK Car
Satisfied Customers: 1668
Experience:  Auto Technician
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F7 fuse keeps blowing, Iv tried all amperage and keeps

Customer Question

F7 fuse keeps blowing
JA: Do all the fuses have the correct amperage for the circuits they're in?
Customer: Iv tried all amperage and keeps blowing them
JA: What is the make/model/year of your car?
Customer: Vectra c facelift z19dth engine
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: I purchased the car as a ecu issue had the locked symbol on the screen fitted a complete ecu kit and the locked symbol had gone was turning over since fitting the new ecu now it keeps blowing F7 fuse
JA: Anything else you want the mechanic to know before I connect you?
Customer: Yes fixing it myself
Submitted: 7 months ago.
Category: UK Car
Expert:  Dan replied 7 months ago.

Hello my name is***** am an ASE Master Technician and I am glad to help you with your question.

Expert:  Dan replied 7 months ago.

You have a bare wire on that circuit touching the body of the vehicle or wires are shorted together. You need to find the short.

Expert:  Dan replied 7 months ago.

Use a wiring diagram on that F7 circuit and start disconnecting things on the circuit to narrow down the harness.

Expert:  Dan replied 7 months ago.

Hello again Dan here,

I am contacting you because the post has not been closed or rated.

This question is coming up on 7 days which means it will time out and close.

You have already paid to get this question answered, but you have not rated.

Let me help some more. Is there anything else I can help you with?

If I did not give you 5 star service, please let me know what I missed.


Customer: replied 7 months ago.

Didn't have a clue what was wrong with my car pure guess work

Expert:  Dan replied 7 months ago.

I apologize if I was not able to help you with your question. I will opt out and open this up to others, someone should be with you shortly. Thank you for your patience.