Truck has no power when key is turned. I have replaced, k...
Customer
Truck has no power when key is turned. I have replaced, key lock cylinder, ignition switch, solenoid, battery and [starter](/topics-starter-ford/). It was running perfect until I replaced a turn signal fuse. Hasn't started since.
...
Truck has no power when key is turned. I have replaced, key lock cylinder, ignition switch, solenoid, battery and [starter](/topics-starter-ford/). It was running perfect until I replaced a turn signal fuse. Hasn't started since.
Mechanic's Assistant: Is the power loss consistent, or does it fluctuate?
Fluctuates, like a kinked hose, but very weak.
Mechanic's Assistant: What is the make/model/year of your car?
1991 F250 7.5 460 gas
Mechanic's Assistant: Are you fixing your F250 yourself? What have you tried so far?
Key lock cylinder, ignition switch, solenoid, battery and starter
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Responses
Nachum Wagschal
244 days ago
Automotive Expert
Good Moring .
Are you getting power to the yellow wire on the ignition switch
Customer
244 days ago
I don't know, but I can check that.I have no electrical experience. But I do have a tester. Thanks.
Nachum Wagschal
244 days ago
Automotive Expert
You want to check that first , that is your power going into the ignition switch .
Customer
244 days ago
Ok. Two yellow wires, no power to either.
Nachum Wagschal
244 days ago
Automotive Expert
Ok , give me a minute to check the wiring diagram ,
Customer
244 days ago
Thanks
Nachum Wagschal
244 days ago
Automotive Expert
there is a fusible link that comes from the battery that feeds those that is bad.
It says its on the front of the right fender apron see the attached wiring diagram
Customer
244 days ago
Ok. I have replaced that once. I guess something is shorting it.Thank you.
Nachum Wagschal
244 days ago
Automotive Expert
You are welcome
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Truck has no power when key is turned. I have replaced, key lock cylinder, ignition switch, solenoid, battery and [starter](/topics-starter-ford/). It was running perfect until I replaced a turn signal fuse. Hasn't started since. ...
Truck has no power when key is turned. I have replaced, key lock cylinder, ignition switch, solenoid, battery and [starter](/topics-starter-ford/). It was running perfect until I replaced a turn signal fuse. Hasn't started since. Mechanic's Assistant: Is the power loss consistent, or does it fluctuate? Fluctuates, like a kinked hose, but very weak. Mechanic's Assistant: What is the make/model/year of your car? 1991 F250 7.5 460 gas Mechanic's Assistant: Are you fixing your F250 yourself? What have you tried so far? Key lock cylinder, ignition switch, solenoid, battery and starter