Ok so my sun visor doors are long gone and the light / mirror insert flop out whenever i need to block some sun. So, i got the bright idea to clip the wires and remove the whole piece till i can find replacement visors. I got as far as clipping the blue (positive) wire when my dome light went out. Interesting. Not only that, the radio doesn't work, either. Headlights are fine. Did i just blow a fuse or did i cut into something bigger than i expected?

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1984 300TD Turbodiesel - 272k
- Daily Duty
1985 300D Turbodiesel - 315k
- "Recommended for competition events only"

It's your #4 fuse. You shorted the circuit with the blue wire.

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'70 F100 shortbed
'82 Diesel Westy
'83 Euro 300TD
Curtlo Viper
Yeti ARC
Surly long haul trucker

Been there, done that.

The fuse fried when you clipped the wire, or the cut end shorted.

.

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ASE Master Mechanic
https://whunter.carrd.co/

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D
2003 Volvo V70

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Problem solved! Thanks!

__________________
1984 300TD Turbodiesel - 272k
- Daily Duty
1985 300D Turbodiesel - 315k
- "Recommended for competition events only"