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Ask Juan Crespo Your Own Question
Juan Crespo
Juan Crespo, Tech Trainer
Category: Ford
Satisfied Customers: 1497
Experience:  A.S.E. Master Technician, Advanced Level, Emissions - Asian, Domestic, & European
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I keep blowing brake pressure switch fuse. Yes and I

Customer Question

I keep blowing brake pressure switch fuse.
JA: Do all the fuses have the correct amperage for the circuits they're in?
Customer: Yes and I replaced the switch and the brake intelock
JA: What is the model/year of your Ford?
Customer: 2001e250 5.4
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I replaced the wire harness to the brake pressure switch and the switch itself and the interlock switch.
JA: Anything else you think the mechanic should know?
Customer: That's it.
Submitted: 2 months ago.
Category: Ford
Expert:  Juan Crespo replied 2 months ago.

Hi there.

If you're referring to the switch that screws on to the front of the master cylinder, Ford calls it "Cruise Control Deactivation Switch". If that's the one, then you should know that Ford issued a massive recall on those, as they are prone to short out and catch on fire. Give Ford a call at 1-***-***-**** and mention recall campaign 09S09. They'll take care of it for you free of charge.

Customer: replied 2 months ago.
No its the switch on the brake pedal.
Expert:  Juan Crespo replied 2 months ago.

To clarify; do you mean the one that makes the stop lamps come on?

Customer: replied 2 months ago.
Yep and I have no rear lights or hazards.
Customer: replied 2 months ago.
Fuse 11 is the o e that keeps popping.
Expert:  Juan Crespo replied 2 months ago.

OK. Neither hazard nor running lights have anything to do with this switch or its circuit, only the stop lamps. can you share a little background on how this problem first started?

Customer: replied 2 months ago.
Other than the info I gave you the transmission is stuck in park the hazards and brake lights turn signal are all not working .
Expert:  Juan Crespo replied 2 months ago.

I see. When you say you replaced the brake interlock, do you mean the solenoid/actuator in the steering column? If so, and the fuse still blows, can you disconnect both the actuator and the brake switch and check continuity to ground on the Light Green wire between the two components?

Customer: replied 2 months ago.
I will try that thanks.
Expert:  Juan Crespo replied 2 months ago.

OK. Just let me know and we can continue when you're ready.