1975 GMC C25 L6 4.1L 250cid
Part #: MT18053
PIGTAIL GM BLOWER RESISTOR MODULERear/Auxillary Unit - A/C..
$16.94
Part #: MT1495
SWITCH KIT, - GM A-6 SUPER HEAT SWITCH COMPRESSOR..
$111.93
Part #: MT0139
WIRE HARNESS - 2 BLADE LOW PRESSURE CUT-OUT SWITCH..
$4.70