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Hey there, just picked up my 82 pickup and she needs a few little things. The blower motor is on all of the time with the switch on the dash not doing anything and the dash lights are dark. Indicator lamps work but none of the illumination on any of the gauges including the 2 lower.
Any ideas? Nothing as simple as fuses that I've found.
as for the heater , there is a heater resistor , that controls speed of the fan .. I would think this is your problem .
goes in the hole (as pictured) above and to the right of the motor
as for the dash lights .. there is a "dimmer" switch (twist knob) on the left side
did you check that ?