Buzzing Seat Warmer

[cactus at packetlabs.net]

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Hi everyone,

I have an 86 4KQ and whenever I turn the dial up for the seat warmer, somet=
hing in the dash cluster starts to buzz/crack/pop really loud. Anyone with =
any ideas what could be the cause? The buzzing stops when I turn off the wa=
rmer.

TIA,

WEi
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