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Electrical problem....

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Old Jun 18, 2019 | 11:13 PM
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Electrical problem....

Bought a 2000 F-250 base model with a 5.4 automatic. The dome light wasn't working but I figured it was a blown bulb. Turned out the windshield wipers, washer, dome light, and key buzzer all weren't working. Long story short, the black/ pink striped wire was off on the ignition switch. I put it back on with no difference and after a little googling I figured out what it was. I tried everything I could think of so I jumped a hot wire to the black/pink wire and everything that wasn't working started working! Buzzer buzzed, light came on, and I tried the wiper, it worked for a revolution then everything sort of reset. I'm guessing whatever powers these items isn't working and I've checked all fuses and relays. Anyone have an idea or wiring schematic of what controls all these items?
 
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Old Jun 19, 2019 | 07:18 AM
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The link below lists the fuses.

Maybe your fuse boxes have corrosion on the bottom of the fuse where that loose wires goes into it

can use a test light to check them

https://www.ford-trucks.com/forums/2...l-diagram.html
 
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Old Jun 19, 2019 | 12:02 PM
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Thanks for the fuse box diagram, my next step I guess will be to remove the fuse box and check the wires but the black/pink wire is on the ignition tumbler. I believe it's the key in buzzer wire that people are cutting to do away with the buzzer or chime.
 
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Old Jun 19, 2019 | 03:45 PM
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Originally Posted by MrBadMoFo
I'm guessing whatever powers these items isn't working and I've checked all fuses and relays.
Why are you not considering that the ignition switch might be bad?
 
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Old Jun 19, 2019 | 07:36 PM
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Originally Posted by alloro
Why are you not considering that the ignition switch might be bad?
It's a good theory, does anyone know which wire would power the items I'm having issues with and I can check with a voltmeter

 
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Old Jun 20, 2019 | 09:11 AM
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Here is the ignition switch diagram. The first thing to do is make sure you have power on the Yellow and the Light Green/Violet wires. If you do it's a bad ignition switch. If you don't then start tracing.


 
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Old Jun 20, 2019 | 01:23 PM
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Thanks alloro! I'll check them when I get home.
 
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