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Hey everybody, I have a few questions and maybe someone here has some answers for me! I am trying to get my blower motor to work but having troubles with the elctricity! I have jumped the motor so I know it is good. When tracing the wiring diagram back I have checked to see if I was getting power at the resistor, and I didnt have any power at any connectors, so I back tracked to the switch, nothing at the light blue wire which should be hot I think with the vents turned on, I checked at the fuse and it had power on both sides, so my problem seems to be between the switch and the fuse, There is a heater mode select switch that is inbetween but I have no idea where or what that is. So It should be either the wiring, maybe a splice on the lt blue wire for low speed between the fuse and switch somewhere or the heater mode select switch. Does anyone have any ideas where that is or any ideas where my problem could be? It is a 1987 2.5 four speed with no AC, any ideas let me know, here is a diagram for anyone willing to chime in with some help! This is my last project before getting the truck back on the road!