I have a 1986 K10. The volt gauge in the dash is not working. I took it out and connected to the battery with some wire leads and the needle moves and seems to be working fine. I have 14 volts at the battery and 15 volts at the alternator but only 6 volts at the socket in the cluster that the gauge plugs into. I dont understand why I'm only getting 6 volts. Any ideas on what may be the problem? Thank you for your help
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