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Electrical Issues 1990 W250

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Old May 4, 2020 | 07:51 PM
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Zach Farmer
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Default Electrical Issues 1990 W250

Hello everyone,

I recently bought the truck listed in the title with the intentions of fixing it up. However, I am not very good with the electrical part of the restore. The truck starts and drives fine, no problem holding charge. Inside the cab though; almost none of the electronics work. The power windows, power locks, cab lights, radio, dash lights, heater, A/C do not work. The only things that actually work inside the cab is the speedometer, the right blinker light(left doesn't work) and the lights in the center for maintenance and parking brake. All of the lights on the outside of the truck work though, except for the headlights. I checked through the fuses and none of them are bad at all. There were some missing ones, but even after putting in a fuse, the particular electronics will still not work. Like I had said earlier, I am not very good with wires and the electricity so I am wondering if anyone has any ideas or can suggest on where I should start troubleshooting. Thank you so much
 
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Old May 4, 2020 | 09:12 PM
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Check and see if you are getting power TO the window/lock switches. Locks should be hot at all times, windows only with ignition in the on position.
 
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