1964 gmc taillight problems

[Bigdock]

I'm new on the forum so take it easy on me guys I just picked up my first real project a 64 gmc 1000 all original short bed fleet side it runs but I'm having a problem with the lights the headlights and dash lights work but no taillights or the lights in the hood I checked the taillights with a voltmeter and was getting around 12 volts and tried a few different bulbs but no running light brake light or blinker nothing and its got me stumped any help is greatly appreciated
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